Re: Best SCSI hardware raid? Adaptec/Mylex...?

2000-10-06 Thread jlewis
On Fri, 6 Oct 2000, Micah Anderson wrote: > I am shopping around for a good SCSI hardware RAID solution. I've been > pitched the Adaptec AH3200S (dual channel, about $350), but I've also seen > the Mylex AcceleRAID (I think 250?), but I know nothing about either of > these, how they perform (I ha

Re: Broken superblocks and --force

2000-10-06 Thread Corin Hartland-Swann
Joel, On Fri, 6 Oct 2000, Joel Becker wrote: > On Fri, Oct 06, 2000 at 07:01:15PM +0100, Corin Hartland-Swann wrote: > > Yes - but I was curious as to whether this kernel memory bug had been > > fixed yet, or whether it was still happening. I'd like to upgrade from > > 2.2.14 (because of the sec

Re: linux raid and ext3.

2000-10-06 Thread Andi Kleen
On Fri, Oct 06, 2000 at 02:39:37PM -0400, tc lewis wrote: > > Software raid --- don't. There are nasty interactions between > > journaling and raid resync after a crash. Things will run fine until > > a crash, but recovery gets things wrong. 2.4 fixes things. > > > > Note that this only applie

Re: linux raid and ext3.

2000-10-06 Thread Stephen C. Tweedie
Hi, On Fri, Oct 06, 2000 at 02:39:37PM -0400, tc lewis wrote: > i'm most interested in raid1. sigh. i was afraid of that. > i don't think we're ready to try 2.4 yet. Yep. I hope to back-port the 2.4 raid fixes to 2.2, but that won't be until the new ext3 metadata-only journaling code is stab

Re: linux raid and ext3.

2000-10-06 Thread tc lewis
> > are there any issues with using ext3 and journalling on linux raid > > devices? > > Hardware raid, no. It should be fine. nod. > Software raid --- don't. There are nasty interactions between > journaling and raid resync after a crash. Things will run fine until > a crash, but recover

Re: Broken superblocks and --force

2000-10-06 Thread Michael
> > What do the boot= and root= lines in your lilo.conf look like? They > should point to the root MD device, and not to one of the individual > disks, eg: > > boot=/dev/md0 > ... > image=/boot/vmlinuz > root=/dev/md0 > > The only thing I can think is that it only knows abou

Re: Broken superblocks and --force

2000-10-06 Thread Joel Becker
On Fri, Oct 06, 2000 at 07:01:15PM +0100, Corin Hartland-Swann wrote: > Yes - but I was curious as to whether this kernel memory bug had been > fixed yet, or whether it was still happening. I'd like to upgrade from > 2.2.14 (because of the security hole) but the do_try_to_free_pages() bug > is IMH

Re: Broken superblocks and --force

2000-10-06 Thread Corin Hartland-Swann
Joel, On Fri, 6 Oct 2000, Joel Becker wrote: > On Fri, Oct 06, 2000 at 11:17:31AM +0100, Corin Hartland-Swann wrote: > > On Fri, 6 Oct 2000, Joel Becker wrote: > > > Please reply personally. I just had my kernel go nuts in > > > do_try_to_free_pages(), and when I bounced the box (sysrq sync +

2.2.17 + raid-A0 post crash lockup during resync/fsck

2000-10-06 Thread Michael McLagan
Hello, I've got an SMP system with 2 9G drives in RAID1 config. The disk is near full and I've had a problem with it deadlocking when a gunzip process fills the disk, locking up anything touching one of the affected directories, etc. I've got hung HTTP and LS processes with the gunzip run

Re: Broken superblocks and --force

2000-10-06 Thread Joel Becker
On Fri, Oct 06, 2000 at 11:17:31AM +0100, Corin Hartland-Swann wrote: > On Fri, 6 Oct 2000, Joel Becker wrote: > > Please reply personally. I just had my kernel go nuts in > > do_try_to_free_pages(), and when I bounced the box (sysrq sync + reboot) > > What kernel were you using? I assume yo

Best SCSI hardware raid? Adaptec/Mylex...?

2000-10-06 Thread Micah Anderson
I am shopping around for a good SCSI hardware RAID solution. I've been pitched the Adaptec AH3200S (dual channel, about $350), but I've also seen the Mylex AcceleRAID (I think 250?), but I know nothing about either of these, how they perform (I have heard some people having slow RAID 5 performance

Re: Broken superblocks and --force

2000-10-06 Thread Corin Hartland-Swann
Joel, On Fri, 6 Oct 2000, Joel Becker wrote: > Please reply personally. I just had my kernel go nuts in > do_try_to_free_pages(), and when I bounced the box (sysrq sync + reboot) What kernel were you using? I assume you're aware of this bug in 2.2.15/16... I dropped back to 14 to stop th