Date: Thu, 27 Jan 2005 13:55:39 +0200 From: Lauri Laupmaa <mauri@silicium.ee> To: =?ISO-8859-1?Q?Michel_B=E9langer?= <michel.belanger@mediom.qc.ca> Cc: freebsd-scsi@freebsd.org Subject: Re: RAID CARD Message-ID: <5D4E254C-705A-11D9-90D8-000A95CD3F70@silicium.ee> In-Reply-To: <002c01c503e2$996718d0$0c01a8c0@michelxp> References: <002c01c503e2$996718d0$0c01a8c0@michelxp>
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On Jan 26, 2005, at 10:07 PM, Michel Bélanger wrote: > would be best. People proposed me ADAPTEC 2120S U320 and others > suggested > Intel SRCU42L. Wich one is best supported with Freebsd 5.3 I can only comment on Adaptec 2120S, because I have a number of those, both in 4.x and 5.x servers. At first I very much loved those cards, but after some lockups started to be suspicious. What I have found is that sometimes those systems just stops serving disk requests. If there is active ssh connection in time of hang, then I can switch screens with ctrl-a (/usr/ports/misc/screen). But when doing whatever accessing disks then terminal hangs. No relevant messages in logs. There are no successful recovery from this state. Only power/reset switch. All the servers have 3 or 4 disks configured as RAID5, they have different motherboards and disk drives. One of them (4.9-STABLE) was running fine for years and started hanging after 2120S install. I just moved filesystems to RAID. I cannot imagine how this can be related, but those hangs seem to coincide with /var filling up. L.
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