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Florian Schmid via Toasters <[email protected]> Tue, 17 Oct 2023 13:54:06 +0100
| Newsgroups | gmane.comp.hardware.netapp |
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| Message-ID | <[email protected]> |
--===============8480934701629227772== Content-Type: message/rfc822 Content-Disposition: inline Received: from mx2-at.ubimet.com (mx2-at.ubimet.com [141.98.226.72]) by dormouse.teaparty.net (8.14.7/8.14.7) with ESMTP id 39HCs0DA005584 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <[email protected]>; Tue, 17 Oct 2023 13:54:02 +0100 Authentication-Results: dormouse.teaparty.net; spf=pass [email protected] smtp.helo=mx2-at.ubimet.com Received: from localhost (localhost [127.0.0.1]) by mx2-at.ubimet.com (Postfix) with ESMTP id C68F0815EA; Tue, 17 Oct 2023 12:53:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ubimet.com; s=20200131mdel; t=1697547239; bh=ocrzPc+hqHvBXJ/xS4InEPXtb+ERFg0YpbAo9ewvBVk=; h=Date:From:To:Cc:In-Reply-To:References:Subject:From; b=EevqHx1DweAYasKqN9I6HRJvKtLdSLcWFsp73hwtNbSlFCwdAe+bUkgnpGD2MrEn0 uhG4aVWtk4KTlkM6Tda/ewm6hbPZx9mTGxwMoU+fLzaleJ1npqkNN1/KDSfQ4hVbAs R313oBq9abVI3XSeU6hJhvdLNJ3rKg2deQkEe1JWvUpyz4ntiI7Gf6oebvm6eIrZDa GHnuuxxp0XGraaihYIXWZHwbwYcO+bGAzcQC0k44w5wgiuzRoaPpsgumD+J8PcmUqU U3CnJJXvkDGsxfJbFQuhyqxJvwcGNiM9StSeVf4hSA48u3EmcSz4Bp4kdafXuX02sv sLJ+jqJYQlsYw== Received: from mx2-at.ubimet.com ([127.0.0.1]) by localhost (mx02.dmz.dc.at.ubimet.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id J2WvD0oU3Ka3; Tue, 17 Oct 2023 12:53:59 +0000 (UTC) Received: from zimbra-mta01.ext.dc.at.ubimet.com (webmail-dc.at.ubimet.com [10.1.18.22]) by mx2-at.ubimet.com (Postfix) with ESMTPS id B482E815E8; Tue, 17 Oct 2023 12:53:59 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by zimbra-mta01.ext.dc.at.ubimet.com (Postfix) with ESMTP id ACDC080621; Tue, 17 Oct 2023 12:53:59 +0000 (UTC) Received: from zimbra-mta01.ext.dc.at.ubimet.com ([127.0.0.1]) by localhost (zimbra-mta01.ext.dc.at.ubimet.com [127.0.0.1]) (amavis, port 10032) with ESMTP id F_GKujyQ9mLP; Tue, 17 Oct 2023 12:53:57 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by zimbra-mta01.ext.dc.at.ubimet.com (Postfix) with ESMTP id 694178050A; Tue, 17 Oct 2023 12:53:57 +0000 (UTC) X-Virus-Scanned: amavis at zimbra-mta01.ext.dc.at.ubimet.com Received: from zimbra-mta01.ext.dc.at.ubimet.com ([127.0.0.1]) by localhost (zimbra-mta01.ext.dc.at.ubimet.com [127.0.0.1]) (amavis, port 10026) with ESMTP id G6dP8EUpzeqA; Tue, 17 Oct 2023 12:53:57 +0000 (UTC) Received: from zimbra-store02.ext.dc.at.ubimet.com (zimbra-store02.ext.dc.at.ubimet.com [10.1.18.23]) by zimbra-mta01.ext.dc.at.ubimet.com (Postfix) with ESMTP id 45A4880621; Tue, 17 Oct 2023 12:53:57 +0000 (UTC) Date: Tue, 17 Oct 2023 12:53:57 +0000 (UTC) From: Florian Schmid <[email protected]> To: "Gislen, Johan" <[email protected]> Cc: toasters <[email protected]> Message-ID: <[email protected]> In-Reply-To: <BYAPR06MB4678C67F27F1647FAA502A54FDD6A@BYAPR06MB4678.namprd06.prod.outlook.com> References: <BYAPR06MB4678C67F27F1647FAA502A54FDD6A@BYAPR06MB4678.namprd06.prod.outlook.com> Subject: Re: Question about flash pool maximum SSD size and local tiering MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="=_7ba12491-e2be-4af7-8823-44c3ee644d03" X-Originating-IP: [10.15.100.2] X-Mailer: Zimbra 8.8.15_GA_4562 (ZimbraWebClient - GC117 (Linux)/8.8.15_GA_3) Thread-Topic: Question about flash pool maximum SSD size and local tiering Thread-Index: AQHaANFTSYWKFIomukCHnqu6Kg2ylXZfCQk9 X-Greylist: Recipient e-mail whitelisted, not delayed by milter-greylist-4.6.2 (dormouse.teaparty.net [178.18.123.145]); Tue, 17 Oct 2023 13:54:03 +0100 (BST) --=_7ba12491-e2be-4af7-8823-44c3ee644d03 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi Johan,=20 thank you very much for your help.=20 No, we don't have the disks yet for which the flash-pool should be used.=20 Not all SSDs will be used for flash-pool, only some for cache and the rest = for fast SSD storage.=20 Regarding HWU, yes, I already thought that and I was hoping that NetApp jus= t has only not added the bigger ones. But as you said, max is 72 TB and max= count is 20 for the 3.8 TB SSDs.=20 I have talked to our new partner and we will clarify this, when we have the= final offer.=20 Best regards,=20 Florian Schmid=20 Von: "Gislen, Johan" <[email protected]>=20 An: "Florian Schmid" <[email protected]>, "Sebastian Goetze" <spgoetze@gma= il.com>, "Michael Fenn" <[email protected]>=20 CC: "toasters" <[email protected]>=20 Gesendet: Dienstag, 17. Oktober 2023 10:27:48=20 Betreff: Re: Re: Question about flash pool maximum SSD size and local tieri= ng=20 Hi Florian,=20 If you have the NL-SAS aggregate in place already I=E2=80=99d recommend hav= ing a look at using AWA to figure out what the optimal cache size would be:= =20 [ https://docs.netapp.com/us-en/ontap/disks-aggregates/determine-flash-pool= -candidacy-cache-size-task.html | https://docs.netapp.com/us-en/ontap/disks= -aggregates/determine-flash-pool-candidacy-cache-size-task.html ]=20 That would give you an idea of how much Flash Pool capacity you=E2=80=99d r= eally benefit from.=20 Regarding 3.8TB vs 7.6 TB =E2=80=93 if the 7.6 TB drives are not listed as = supported in the HWU, it=E2=80=99s most likely not supported.=20 There=E2=80=99s also a note in the HWU for the 3.8TB drives under =E2=80=9C= System Cache Limits=E2=80=9D =E2=80=93 =E2=80=9CMax number of Flash Pool Da= ta SSDs: 20=E2=80=9D (this is excluding RAID parity & hot spares) =E2=80=93= if I=E2=80=99m intepreting that note correcly there=E2=80=99d be no point = in adding more than one shelf of 3.8TB drives.=20 Regards, Johan=20 On 2023-10-17, 09:57, "Florian Schmid" <[email protected]> wrote:=20 Hi Sebastian and Michael,=20 thank you very much for your help.=20 We haven't bought the SSD shelves yet.=20 We don't know, if we should take 2 shelves with 3.8 TB or 1 shelf with 7.6 = TB.=20 I tend to one shelf with 7.6 TB...=20 We are using flash-pool already with Raid-4, exactly for saving space.=20 My problem is now, that I'm concerned about the HWU statement, that there i= s no SSD listed for using in flash-pool over 3.8 TB.=20 This let me think, that flash-pool is not supported for SSD with 7.6 TB or = greater.=20 I haven't found anything else about it on NetApp site, only in the HWU for = system cache limits for FAS 8300=20 Same limits are also for 8700 or 9000 series, no difference here.=20 Really strange.=20 Best regards,=20 Florian=20 ----- Urspr=C3=BCngliche Mail -----=20 Von: "Sebastian Goetze" < [ mailto:[email protected] | [email protected] = ] >=20 An: "toasters" < [ mailto:[email protected] | [email protected] ] >= =20 Gesendet: Montag, 16. Oktober 2023 15:35:36=20 Betreff: Re: Question about flash pool maximum SSD size and local tiering= =20 Hi Florian,=20 On 16.10.2023 15:01, Fenn, Michael wrote:=20 > FlashPool SSDs (unlike FlashCache) are attached to aggregates as normal R= AID groups, so you can use as many 3.8 TB drives in RAID-DP as you like to = hit the maximum FlashPool capacity.=20 Consider using RAID4 for the SSD RaidGroups... More Cache, and for the=20 Write-cached blocks, not really less safety. (SSDs are more reliable,=20 blocks are usually written fairly soon to HDD anyway)=20 Regarding sizes: any size that's supported for the HW should be fine=20 (3.8/15.3TB). Within the Cache-RG, you should use the same size disks,=20 however...=20 >=20 > Note that FlashPool and FabricPool use the same underlying tiering metada= ta structures, so you can only have one or the other enabled on any given a= ggregate.=20 >=20 > Thanks,=20 > Michael=20 >=20 > On 10/16/23, 8:03 AM, "Toasters on behalf of Florian Schmid via Toasters"= < [ mailto:[email protected] | [email protected] ]= <mailto: [ mailto:[email protected] | toasters-bounces@teapart= y.net ] > on behalf of [ mailto:[email protected] | [email protected]= et ] <mailto: [ mailto:[email protected] | [email protected] ] >> w= rote:=20 >=20 >=20 > Hi Alexander,=20 >=20 > this is a very good tip! Tank you very much.=20 > I will have a look on this.=20 >=20 > Best regards,=20 > Florian=20 >=20 > ----- Urspr=C3=BCngliche Mail -----=20 > Von: "Alexander Griesser" < [ mailto:[email protected] | AGriesser@ane= xia.com ] >=20 > An: "Florian Schmid" < [ mailto:[email protected] | [email protected] ]= >, "toasters" < [ mailto:[email protected] | [email protected] ] >= =20 > Gesendet: Montag, 16. Oktober 2023 12:07:53=20 > Betreff: AW: Question about flash pool maximum SSD size and local tiering= =20 >=20 > Hi Florian,=20 >=20 > I cannot answer the question with the SSD sizes, I'm not sure if this is = really a hard requirement or if the slices just may not be bigger than 3.8T= B (in that case, you could probably manually partition the SSDs), maybe som= eone else has more insights into this.=20 >=20 > As for your second question: You can spin up OnTap's integrated S3 server= on your old boxes and use them as fabric pool targets:=20 > [ https://www.netapp.com/media/17219-tr4814.pdf | https://www.netapp.com/= media/17219-tr4814.pdf ]=20 >=20 > Best,=20 >=20 > Alexander Griesser=20 > Head of Systems Operations=20 >=20 > ANEXIA Internetdienstleistungs GmbH=20 >=20 > E-Mail: [ mailto:[email protected] | [email protected] ]=20 > Web: [ https://www.anexia.com/ | https://www.anexia.com ]=20 >=20 > Anschrift Hauptsitz Klagenfurt: Feldkirchnerstra=C3=9Fe 140, 9020 Klagenf= urt=20 > Gesch=C3=A4ftsf=C3=BChrer: Alexander Windbichler=20 > Firmenbuch: FN 289918a | Gerichtsstand: Klagenfurt | UID-Nummer: AT U6321= 6601=20 >=20 > -----Urspr=C3=BCngliche Nachricht-----=20 > Von: Florian Schmid < [ mailto:[email protected] | [email protected] ] = >=20 > Gesendet: Montag, 16. Oktober 2023 11:53=20 > An: [ mailto:[email protected] | [email protected] ]=20 > Betreff: Question about flash pool maximum SSD size and local tiering=20 >=20 > Hi,=20 >=20 > I have checked NetApp HWU for a FAS 8300 and system cache limits.=20 >=20 > Ok, so far, max flash-pool is 72 TB, which is a way more than I want to u= se, but I haven't seen usable SSDs greater than 3.8 TB.=20 >=20 > Is that really true, that I can't use a 7.6 TB or 15.3 TB SSD for flash-p= ool?=20 >=20 > It would be nice, if someone has here a deeper understanding than I have = about this and can give me here some clarifications.=20 >=20 > May I ask a second question?=20 > Is flash-pool still the way to go for speeding up NL-SAS aggregates?=20 > I had a look on fabric-pool tiering, but it seems like, that this only wo= rks to S3 storage, which we don't have.=20 > We have plenty of NL-SAS storage and also of SSDs and it would be great t= o have a tiering between them or at least use them for caching.=20 >=20 > Best regards,=20 > Florian=20 >=20 >=20 >=20 > _______________________________________________=20 > Toasters mailing list=20 > [ mailto:[email protected] | [email protected] ]=20 > [ https://www.teaparty.net/mailman/listinfo/toasters |=20 https://www.teaparty.net/mailman/listinfo/toasters ]=20 _______________________________________________=20 Toasters mailing list=20 [ mailto:[email protected] | [email protected] ]=20 [ https://www.teaparty.net/mailman/listinfo/toasters | https://www.teaparty= .net/mailman/listinfo/toasters ]=20 --=_7ba12491-e2be-4af7-8823-44c3ee644d03 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable <html><body><div style=3D"font-family: arial, helvetica, sans-serif; font-s= ize: 12pt; color: #000000"><div>Hi Johan,</div><div><br data-mce-bogus=3D"1= "></div><div>thank you very much for your help.</div><div><br data-mce-bogu= s=3D"1"></div><div>No, we don't have the disks yet for which the flash-pool= should be used.</div><div>Not all SSDs will be used for flash-pool, only s= ome for cache and the rest for fast SSD storage.</div><div><br data-mce-bog= us=3D"1"></div><div>Regarding HWU, yes, I already thought that and I was ho= ping that NetApp just has only not added the bigger ones. But as you said, = max is 72 TB and max count is 20 for the 3.8 TB SSDs.</div><div><br data-mc= e-bogus=3D"1"></div><div>I have talked to our new partner and we will clari= fy this, when we have the final offer.</div><div><br data-mce-bogus=3D"1"><= /div><div>Best regards,</div><div>Florian Schmid</div><div data-marker=3D"_= _SIG_PRE__"><div><p style=3D"margin-bottom: 0cm;"><br></p></div></div><div>= <br></div><hr id=3D"zwchr" data-marker=3D"__DIVIDER__"><div data-marker=3D"= __HEADERS__"><b>Von: </b>"Gislen, Johan" <[email protected]><br= ><b>An: </b>"Florian Schmid" <[email protected]>, "Sebastian Goetze"= <[email protected]>, "Michael Fenn" <Michael.Fenn@DEShawResearch= .com><br><b>CC: </b>"toasters" <[email protected]><br><b>Gesen= det: </b>Dienstag, 17. Oktober 2023 10:27:48<br><b>Betreff: </b>Re: Re: Que= stion about flash pool maximum SSD size and local tiering<br></div><div><br= ><style><!-- @font-face =09{font-family:"Cambria Math"; =09panose-1:2 4 5 3 5 4 6 3 2 4;} @font-face =09{font-family:Calibri; =09panose-1:2 15 5 2 2 2 4 3 2 4;} p.MsoNormal, li.MsoNormal, div.MsoNormal =09{margin:0cm; =09font-size:11.0pt; =09font-family:"Calibri",sans-serif;} a:link, span.MsoHyperlink =09{mso-style-priority:99; =09color:blue; =09text-decoration:underline;} span.EmailStyle18 =09{mso-style-type:personal-reply; =09font-family:"Calibri",sans-serif; =09color:windowtext;} .MsoChpDefault =09{mso-style-type:export-only; =09font-size:10.0pt; =09mso-ligatures:none;} @page WordSection1 =09{size:612.0pt 792.0pt; =09margin:72.0pt 72.0pt 72.0pt 72.0pt;} div.WordSection1 =09{page:WordSection1;} --></style></div><div data-marker=3D"__QUOTED_TEXT__"> <div class=3D"WordSection1"> <p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:E= N-US">Hi Florian,</span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:E= N-US"> </span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:E= N-US">If you have the NL-SAS aggregate in place already I=E2=80=99d recomme= nd having a look at using AWA to figure out what the optimal cache size wou= ld be:</span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:E= N-US"><a href=3D"https://docs.netapp.com/us-en/ontap/disks-aggregates/deter= mine-flash-pool-candidacy-cache-size-task.html" target=3D"_blank">https://d= ocs.netapp.com/us-en/ontap/disks-aggregates/determine-flash-pool-candidacy-= cache-size-task.html</a></span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:E= N-US"> </span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:E= N-US">That would give you an idea of how much Flash Pool capacity you=E2=80= =99d really benefit from.</span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:E= N-US"> </span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:E= N-US">Regarding 3.8TB vs 7.6 TB =E2=80=93 if the 7.6 TB drives are not list= ed as supported in the HWU, it=E2=80=99s most likely not supported.</span><= /p> <p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:E= N-US"> </span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:E= N-US">There=E2=80=99s also a note in the HWU for the 3.8TB drives under =E2= =80=9CSystem Cache Limits=E2=80=9D =E2=80=93 =E2=80=9CMax number of F= lash Pool Data SSDs: 20=E2=80=9D (this is excluding RAID parity & hot s= pares) =E2=80=93 if I=E2=80=99m intepreting that note correcly there=E2=80=99d be no point in adding more than one she= lf of 3.8TB drives.</span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:E= N-US"> </span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:E= N-US">Regards, Johan</span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:E= N-US"> </span></p> <p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US"> </s= pan></p> <p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt">On 2023-10-17, 09:57,= "Florian Schmid" <[email protected]> wrote:</p> <div> <p class=3D"MsoNormal">Hi Sebastian and Michael,</p> </div> <div> <p class=3D"MsoNormal"> </p> </div> <div> <p class=3D"MsoNormal">thank you very much for your help.</p> </div> <div> <p class=3D"MsoNormal"> </p> </div> <div> <p class=3D"MsoNormal">We haven't bought the SSD shelves yet.</p> </div> <div> <p class=3D"MsoNormal">We don't know, if we should take 2 shelves with 3.8 = TB or 1 shelf with 7.6 TB.</p> </div> <div> <p class=3D"MsoNormal">I tend to one shelf with 7.6 TB...</p> </div> <div> <p class=3D"MsoNormal"> </p> </div> <div> <p class=3D"MsoNormal">We are using flash-pool already with Raid-4, exactly= for saving space.</p> </div> <div> <p class=3D"MsoNormal">My problem is now, that I'm concerned about the HWU = statement, that there is no SSD listed for using in flash-pool over 3.8 TB.= </p> </div> <div> <p class=3D"MsoNormal">This let me think, that flash-pool is not supported = for SSD with 7.6 TB or greater.</p> </div> <div> <p class=3D"MsoNormal"> </p> </div> <div> <p class=3D"MsoNormal">I haven't found anything else about it on NetApp sit= e, only in the HWU for system cache limits for FAS 8300</p> </div> <div> <p class=3D"MsoNormal">Same limits are also for 8700 or 9000 series, no dif= ference here.</p> </div> <div> <p class=3D"MsoNormal"> </p> </div> <div> <p class=3D"MsoNormal">Really strange.</p> </div> <div> <p class=3D"MsoNormal"> </p> </div> <div> <p class=3D"MsoNormal">Best regards,</p> </div> <div> <p class=3D"MsoNormal">Florian</p> </div> <div> <p class=3D"MsoNormal"> </p> </div> <div> <p class=3D"MsoNormal"> </p> </div> <div> <p class=3D"MsoNormal">----- Urspr=C3=BCngliche Mail -----</p> </div> <div> <p class=3D"MsoNormal">Von: "Sebastian Goetze" <<a href=3D"mailto:spgoet= [email protected]" target=3D"_blank">[email protected]</a>></p> </div> <div> <p class=3D"MsoNormal">An: "toasters" <<a href=3D"mailto:toasters@teapar= ty.net" target=3D"_blank">[email protected]</a>></p> </div> <div> <p class=3D"MsoNormal">Gesendet: Montag, 16. Oktober 2023 15:35:36</p> </div> <div> <p class=3D"MsoNormal">Betreff: Re: Question about flash pool maximum SSD s= ize and local tiering</p> </div> <div> <p class=3D"MsoNormal"> </p> </div> <div> <p class=3D"MsoNormal">Hi Florian,</p> </div> <div> <p class=3D"MsoNormal"> </p> </div> <div> <p class=3D"MsoNormal"> </p> </div> <div> <p class=3D"MsoNormal">On 16.10.2023 15:01, Fenn, Michael wrote:</p> </div> <div> <p class=3D"MsoNormal">> FlashPool SSDs (unlike FlashCache) are attached= to aggregates as normal RAID groups, so you can use as many 3.8 TB drives = in RAID-DP as you like to hit the maximum FlashPool capacity.</p> </div> <div> <p class=3D"MsoNormal"> </p> </div> <div> <p class=3D"MsoNormal">Consider using RAID4 for the SSD RaidGroups... More = Cache, and for the </p> </div> <div> <p class=3D"MsoNormal">Write-cached blocks, not really less safety. (SSDs a= re more reliable, </p> </div> <div> <p class=3D"MsoNormal">blocks are usually written fairly soon to HDD anyway= )</p> </div> <div> <p class=3D"MsoNormal"> </p> </div> <div> <p class=3D"MsoNormal">Regarding sizes: any size that's supported for the H= W should be fine </p> </div> <div> <p class=3D"MsoNormal">(3.8/15.3TB). Within the Cache-RG, you should use th= e same size disks, </p> </div> <div> <p class=3D"MsoNormal">however...</p> </div> <div> <p class=3D"MsoNormal"> </p> </div> <div> <p class=3D"MsoNormal"> </p> </div> <div> <p class=3D"MsoNormal">> </p> </div> <div> <p class=3D"MsoNormal">> Note that FlashPool and FabricPool use the same= underlying tiering metadata structures, so you can only have one or the ot= her enabled on any given aggregate.</p> </div> <div> <p class=3D"MsoNormal">> </p> </div> <div> <p class=3D"MsoNormal">> Thanks,</p> </div> <div> <p class=3D"MsoNormal">> Michael</p> </div> <div> <p class=3D"MsoNormal">> </p> </div> <div> <p class=3D"MsoNormal">> On 10/16/23, 8:03 AM, "Toasters on behalf of Fl= orian Schmid via Toasters" <<a href=3D"mailto:toasters-bounces@teaparty.= net" target=3D"_blank">[email protected]</a> <mailto:<a href= =3D"mailto:[email protected]" target=3D"_blank">toasters-bounce= [email protected]</a>> on behalf of <a href=3D"mailto:[email protected]" target=3D"_blank">to= [email protected]</a> <mailto:<a href=3D"mailto:[email protected]"= target=3D"_blank">[email protected]</a>>> wrote:</p> </div> <div> <p class=3D"MsoNormal">> </p> </div> <div> <p class=3D"MsoNormal">> </p> </div> <div> <p class=3D"MsoNormal">> Hi Alexander,</p> </div> <div> <p class=3D"MsoNormal">> </p> </div> <div> <p class=3D"MsoNormal">> this is a very good tip! Tank you very much.</p= > </div> <div> <p class=3D"MsoNormal">> I will have a look on this.</p> </div> <div> <p class=3D"MsoNormal">> </p> </div> <div> <p class=3D"MsoNormal">> Best regards,</p> </div> <div> <p class=3D"MsoNormal">> Florian</p> </div> <div> <p class=3D"MsoNormal">> </p> </div> <div> <p class=3D"MsoNormal">> ----- Urspr=C3=BCngliche Mail -----</p> </div> <div> <p class=3D"MsoNormal">> Von: "Alexander Griesser" <<a href=3D"mailto= :[email protected]" target=3D"_blank">[email protected]</a>></p> </div> <div> <p class=3D"MsoNormal">> An: "Florian Schmid" <<a href=3D"mailto:fsch= [email protected]" target=3D"_blank">[email protected]</a>>, "toasters" &l= t;<a href=3D"mailto:[email protected]" target=3D"_blank">toasters@teapa= rty.net</a>></p> </div> <div> <p class=3D"MsoNormal">> Gesendet: Montag, 16. Oktober 2023 12:07:53</p> </div> <div> <p class=3D"MsoNormal">> Betreff: AW: Question about flash pool maximum = SSD size and local tiering</p> </div> <div> <p class=3D"MsoNormal">> </p> </div> <div> <p class=3D"MsoNormal">> Hi Florian,</p> </div> <div> <p class=3D"MsoNormal">> </p> </div> <div> <p class=3D"MsoNormal">> I cannot answer the question with the SSD sizes= , I'm not sure if this is really a hard requirement or if the slices just m= ay not be bigger than 3.8TB (in that case, you could probably manually part= ition the SSDs), maybe someone else has more insights into this.</p> </div> <div> <p class=3D"MsoNormal">> </p> </div> <div> <p class=3D"MsoNormal">> As for your second question: You can spin up On= Tap's integrated S3 server on your old boxes and use them as fabric pool ta= rgets:</p> </div> <div> <p class=3D"MsoNormal">> <a href=3D"https://www.netapp.com/media/17219-t= r4814.pdf" target=3D"_blank">https://www.netapp.com/media/17219-tr4814.pdf<= /a></p> </div> <div> <p class=3D"MsoNormal">> </p> </div> <div> <p class=3D"MsoNormal">> Best,</p> </div> <div> <p class=3D"MsoNormal">> </p> </div> <div> <p class=3D"MsoNormal">> Alexander Griesser</p> </div> <div> <p class=3D"MsoNormal">> Head of Systems Operations</p> </div> <div> <p class=3D"MsoNormal">> </p> </div> <div> <p class=3D"MsoNormal">> ANEXIA Internetdienstleistungs GmbH</p> </div> <div> <p class=3D"MsoNormal">> </p> </div> <div> <p class=3D"MsoNormal">> E-Mail: <a href=3D"mailto:[email protected]"= target=3D"_blank">[email protected]</a></p> </div> <div> <p class=3D"MsoNormal">> Web: <a href=3D"https://www.anexia.com" target= =3D"_blank">https://www.anexia.com</a></p> </div> <div> <p class=3D"MsoNormal">> </p> </div> <div> <p class=3D"MsoNormal">> Anschrift Hauptsitz Klagenfurt: Feldkirchnerstr= a=C3=9Fe 140, 9020 Klagenfurt</p> </div> <div> <p class=3D"MsoNormal">> Gesch=C3=A4ftsf=C3=BChrer: Alexander Windbichle= r</p> </div> <div> <p class=3D"MsoNormal">> Firmenbuch: FN 289918a | Gerichtsstand: Klagenf= urt | UID-Nummer: AT U63216601</p> </div> <div> <p class=3D"MsoNormal">> </p> </div> <div> <p class=3D"MsoNormal">> -----Urspr=C3=BCngliche Nachricht-----</p> </div> <div> <p class=3D"MsoNormal">> Von: Florian Schmid <<a href=3D"mailto:fschm= [email protected]" target=3D"_blank">[email protected]</a>></p> </div> <div> <p class=3D"MsoNormal">> Gesendet: Montag, 16. Oktober 2023 11:53</p> </div> <div> <p class=3D"MsoNormal">> An: <a href=3D"mailto:[email protected]" ta= rget=3D"_blank">[email protected]</a></p> </div> <div> <p class=3D"MsoNormal">> Betreff: Question about flash pool maximum SSD = size and local tiering</p> </div> <div> <p class=3D"MsoNormal">> </p> </div> <div> <p class=3D"MsoNormal">> Hi,</p> </div> <div> <p class=3D"MsoNormal">> </p> </div> <div> <p class=3D"MsoNormal">> I have checked NetApp HWU for a FAS 8300 and sy= stem cache limits.</p> </div> <div> <p class=3D"MsoNormal">> </p> </div> <div> <p class=3D"MsoNormal">> Ok, so far, max flash-pool is 72 TB, which is a= way more than I want to use, but I haven't seen usable SSDs greater than 3= .8 TB.</p> </div> <div> <p class=3D"MsoNormal">> </p> </div> <div> <p class=3D"MsoNormal">> Is that really true, that I can't use a 7.6 TB = or 15.3 TB SSD for flash-pool?</p> </div> <div> <p class=3D"MsoNormal">> </p> </div> <div> <p class=3D"MsoNormal">> It would be nice, if someone has here a deeper = understanding than I have about this and can give me here some clarificatio= ns.</p> </div> <div> <p class=3D"MsoNormal">> </p> </div> <div> <p class=3D"MsoNormal">> May I ask a second question?</p> </div> <div> <p class=3D"MsoNormal">> Is flash-pool still the way to go for speeding = up NL-SAS aggregates?</p> </div> <div> <p class=3D"MsoNormal">> I had a look on fabric-pool tiering, but it see= ms like, that this only works to S3 storage, which we don't have.</p> </div> <div> <p class=3D"MsoNormal">> We have plenty of NL-SAS storage and also of SS= Ds and it would be great to have a tiering between them or at least use the= m for caching.</p> </div> <div> <p class=3D"MsoNormal">> </p> </div> <div> <p class=3D"MsoNormal">> Best regards,</p> </div> <div> <p class=3D"MsoNormal">> Florian</p> </div> <div> <p class=3D"MsoNormal">> </p> </div> <div> <p class=3D"MsoNormal">> </p> </div> <div> <p class=3D"MsoNormal">> </p> </div> <div> <p class=3D"MsoNormal">> _______________________________________________= </p> </div> <div> <p class=3D"MsoNormal">> Toasters mailing list</p> </div> <div> <p class=3D"MsoNormal">> <a href=3D"mailto:[email protected]" target= =3D"_blank">[email protected]</a></p> </div> <div> <p class=3D"MsoNormal">> <a href=3D"https://www.teaparty.net/mailman/lis= tinfo/toasters" target=3D"_blank"> https://www.teaparty.net/mailman/listinfo/toasters</a></p> </div> <div> <p class=3D"MsoNormal">_______________________________________________</p> </div> <div> <p class=3D"MsoNormal">Toasters mailing list</p> </div> <div> <p class=3D"MsoNormal"><a href=3D"mailto:[email protected]" target=3D"_= blank">[email protected]</a></p> </div> <div> <p class=3D"MsoNormal"><a href=3D"https://www.teaparty.net/mailman/listinfo= /toasters" target=3D"_blank">https://www.teaparty.net/mailman/listinfo/toas= ters</a></p> </div> <div> <p class=3D"MsoNormal"> </p> </div> <div> <p class=3D"MsoNormal"> </p> </div> </div><br></div></div></body></html> --=_7ba12491-e2be-4af7-8823-44c3ee644d03-- --===============8480934701629227772== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Toasters mailing list [email protected] https://www.teaparty.net/mailman/listinfo/toasters --===============8480934701629227772==--