Re: Deprecating NBD in favor of squashfs-over-NFS

Hey Bob,

yup, exactly what you said.

On 9/15/19 9:43 PM, Bob Wicksall wrote:
> For LTSP 5 is it enough to edit?:
> 
>      /var/lib/tftpboot/ltsp/amd64/pxelinux.cfg/default
> 
> And add:
> 
>     append ro initrd=initrd.img-amd64 init=/sbin/init-ltsp quiet root=/dev/nfs nfsroot=/opt/ltsp/images,tcp,rsize=32768,wsize=32768 ltsploop=amd64.img
> 
> It will be a while before I am able to get off LTSP 5 and in my public libraries it doesn't matter if the equipment we install supports GB.  The old wiring is so bad at many locations that the clients drop down to 100MB.  I also have a couple wireless bridges that seem to cause the same issues with NFS.
> 
> I'll do a bunch of testing when I get to work Monday.
> 
> Bob Wicksall
> Computer and Network Services Manager
> 
> Pioneer Library System
> 2557 State Rt. 21
> Canandaigua, New York  14424
> 
> 
> ----- Original Message -----
>> From: "Alkis Georgopoulos" <[email protected]>
>> To: "ltsp-discuss" <[email protected]>
>> Sent: Saturday, September 14, 2019 3:57:34 AM
>> Subject: Re: [Ltsp-discuss] Deprecating NBD in favor of squashfs-over-NFS
> 
>> The new LTSP is using squashfs-over-NFS by default.
>> We discovered an issue that can severely hurt NFS performance in some
>> setups, causing lags of up to many seconds.
>> This issue can also affect those using LTSP5 with squashfs-over-NFS,
>> AND those using LTSP5 with plain old chroot-over-NFS.
>>
>> More details and the issue resolution in:
>> https://github.com/ltsp/ltsp/issues/27
>>
>> LTSP5 users must manually backport the fix.
>>
>> Note that there are other issues that are resolved in the new LTSP,
>> and that aren't backported in LTSP5;
>> keep an eye in the new LTSP issue tracker.
>>
>> Cheers,
>> Alkis
>>


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