From: "Raoul Bhatia [IPAX]" <r.bhatia@ipax.at>
To: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: linux-scsi@vger.kernel.org
Subject: Re: aic94xx driver woes continued
Date: Thu, 20 Mar 2008 22:08:56 +0100 [thread overview]
Message-ID: <47E2D268.2070609@ipax.at> (raw)
In-Reply-To: <1206043027.3038.48.camel@localhost.localdomain>
hi james,
James Bottomley wrote:
> A work around might be to lower the queue depth to say 4 or 8 and up the
> retries (this latter can only be done by altering the SD_MAX_RETRIES
> parameter in include/scsi/sd.h and recompiling).
any suggestions for these parameters:
include/scsi/sd.h:
> #define SD_TIMEOUT (30 * HZ)
> #define SD_MOD_TIMEOUT (75 * HZ)
>
> #define SD_MAX_RETRIES 5
> #define SD_PASSTHROUGH_RETRIES 1
shall i alter the timeouts?
what is a good value for the retries? time it by 2? by 5? by 10?
moreover, where can i lower the queue?
cheers,
raoul
--
____________________________________________________________________
DI (FH) Raoul Bhatia M.Sc. email. r.bhatia@ipax.at
Technischer Leiter
IPAX - Aloy Bhatia Hava OEG web. http://www.ipax.at
Barawitzkagasse 10/2/2/11 email. office@ipax.at
1190 Wien tel. +43 1 3670030
FN 277995t HG Wien fax. +43 1 3670030 15
____________________________________________________________________
next prev parent reply other threads:[~2008-03-20 21:09 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-20 18:43 aic94xx driver woes continued Raoul Bhatia [IPAX]
2008-03-20 19:01 ` James Bottomley
2008-03-20 19:14 ` Raoul Bhatia [IPAX]
2008-03-29 22:36 ` Luben Tuikov
2008-03-20 19:15 ` Raoul Bhatia [IPAX]
2008-03-20 19:18 ` Raoul Bhatia [IPAX]
2008-03-20 19:57 ` James Bottomley
2008-03-20 20:21 ` Raoul Bhatia [IPAX]
2008-03-20 21:08 ` Raoul Bhatia [IPAX] [this message]
2008-03-20 21:17 ` James Bottomley
2008-03-20 22:18 ` Alexis Bruemmer
2008-03-26 14:34 ` Raoul Bhatia [IPAX]
2008-03-29 22:39 ` Luben Tuikov
2008-03-29 22:33 ` Luben Tuikov
2008-03-31 20:23 ` Raoul Bhatia [IPAX]
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