[RESEND]: AACRAID cache problem

"Joakim Tjernlund" <[email protected]> Fri, 14 Nov 2003 09:52:51 +0100
Newsgroups gmane.linux.drivers.aacraid.devel
Message-ID <000f01c3aa8c$b01b0510$0a01a8c0@LUMENTIS02>
Trying again.

After some more digging around and talking to Dell support I still
haven't fixed this.

Can I just release the cache(container release_cache 0) and then
do a "container set cache /write_cache_enable=TRUE /unprotected=FALSE 0" and
hope for the best?

Can I do this in a live system without wrecking the file system?

  Jocke 

> Hi List
> 
> I noticed that my readahead cache in my PERC 3/Di RAID controller has
> zero size, but the readahead cache is enabled. How is this 
> possible and
> how do I restore the readahead cache size? Can I mess with 
> the cache settings
> in a live RH 7.3 system?
> 
>  Jocke
> 
> Details from afacli:
> 
> Executing: container list
> Num          Total  Oth Chunk          Scsi   Partition
> Label Type   Size   Ctr Size   Usage   B:ID:L Offset:Size
> ----- ------ ------ --- ------ ------- ------ -------------
>  0    RAID-5 84.7GB       32KB Open    0:00:0 64.0KB:16.9GB
>  /dev/sda             Lumentis01       0:01:0 64.0KB:16.9GB
>                                        0:02:0 64.0KB:16.9GB
>                                        0:03:0 64.0KB:16.9GB
>                                        0:04:0 64.0KB:16.9GB
>                                        0:05:0 64.0KB:16.9GB
> 
> 
> AFA0> container show cache 0
> Executing: container show cache 0
> 
> Global Container Read Cache Size  : 0
> Global Container Write Cache Size : 118259712
> 
> Read Cache Setting        : ENABLE
> Write Cache Setting       : ENABLE WHEN PROTECTED
> Write Cache Status        : Active, protected
> 
> AFA0>
> AFA0> controller details
> Executing: controller details
> Controller Information
> ----------------------
>          Remote Computer: .
>              Device Name: AFA0
>          Controller Type: PERC 3/Di
>              Access Mode: READ-WRITE
> Controller Serial Number: Last Six Digits = 0410D1
>          Number of Buses: 1
>          Devices per Bus: 15
>           Controller CPU: i960 R series
>     Controller CPU Speed: 100 Mhz
>        Controller Memory: 128 Mbytes
>            Battery State: Ok
> 
> Component Revisions
> -------------------
>                 CLI: 3.0-0 (Build #4880)
>                 API: 3.0-0 (Build #4880)
>     Miniport Driver: 2.7-1 (Build #3571)
> Controller Software: 2.7-1 (Build #3571)
>     Controller BIOS: 2.7-1 (Build #3571)
> Controller Firmware: (Build #3571)
>  
> 

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