Re: Software RAID and SWAP

2002-12-20 Thread Emmanuel Seyman
On Thu, Dec 19, 2002 at 02:18:49PM -0600, Bret Hughes wrote: > > Sort of a bummer since we use the distro for non server based tasks but > require considerable testing before rolling out a config. I would think > that this will slow down the acceptance of RHL on the corporate desktop > as well fo

Re: Software RAID and SWAP

2002-12-19 Thread Javier Gostling
On Thu, Dec 19, 2002 at 02:18:49PM -0600, Bret Hughes wrote: > On Thu, 2002-12-19 at 13:53, Ed Wilts wrote: > Sort of a bummer since we use the distro for non server based tasks but > require considerable testing before rolling out a config. I would think > that this will slow down the acceptance

Re: Software RAID and SWAP

2002-12-19 Thread Bret Hughes
On Thu, 2002-12-19 at 13:53, Ed Wilts wrote: > On Thu, Dec 19, 2002 at 09:54:51AM -0500, Warren Johnson wrote: > > I'm using a Promise RAID controller on my home system with 6 drives. I > > wanted to try it before I put it on a lot of other systems. I haven't > > had any problems with it, but i

Re: Software RAID and SWAP

2002-12-19 Thread Ed Wilts
On Thu, Dec 19, 2002 at 09:54:51AM -0500, Warren Johnson wrote: > I'm using a Promise RAID controller on my home system with 6 drives. I > wanted to try it before I put it on a lot of other systems. I haven't > had any problems with it, but it does take Promise a long time to get > new drivers

Re: Software RAID and SWAP

2002-12-19 Thread Warren Johnson
Ben Russo wrote: On Wed, 2002-12-18 at 17:52, nate wrote: Really? I haven't had the fun of playing with any IDE HW Raid devices.. But do you have LOTS of experiences with this? Or is it just a few cases? I am curious because I am considering purchasing some Promise HW IDE RAID arrays that have

Re: Software RAID and SWAP

2002-12-19 Thread nate
Ed Wilts said: > On Wed, Dec 18, 2002 at 02:52:28PM -0800, nate wrote: >> have you tested your raid1 ? I have only had 1 failure with software >> raid 1 on linux out of about 10 arrays. And when it failed the system >> went with it. IMO, the point of software raid is to protect data, not >> protect

Re: Software RAID and SWAP

2002-12-18 Thread Ed Wilts
On Wed, Dec 18, 2002 at 02:52:28PM -0800, nate wrote: > have you tested your raid1 ? I have only had 1 failure with software raid > 1 on linux out of about 10 arrays. And when it failed the system went with > it. IMO, the point of software raid is to protect data, not protect uptime. > Data can sti

RE: Software RAID and SWAP

2002-12-18 Thread nate
Ben Russo said: > Really? I haven't had the fun of playing with any IDE HW Raid devices.. > But do you have LOTS of experiences with this? Or is it just a few cases? > I am curious because I am considering purchasing some Promise HW IDE RAID > arrays that have SCSI Host Interfaces? They just se

RE: Software RAID and SWAP

2002-12-18 Thread Ben Russo
On Wed, 2002-12-18 at 17:52, nate wrote: > I have even had hardware raid 10 (3ware 6800 series) take down a system when > a disk(1 out of 6) dies. That happened everytime a disk failed. system > would immediately kernel panic. Yep! I've had SUN HW RAID Arrays Fail, and NetApp Hardware Raid Arrays

RE: Software RAID and SWAP

2002-12-18 Thread nate
David Neilson said: > Yes, the intent of original question was to use raid-1 to mirror swap so > if one disk crashed, the system would not go down. Are there any negative > or hidden ramifications with swapping on raid-1 on RH7.2? have you tested your raid1 ? I have only had 1 failure with softwa

RE: Software RAID and SWAP

2002-12-18 Thread David Neilson
, December 18, 2002 1:38 PM To: [EMAIL PROTECTED] Subject: Re: Software RAID and SWAP On Wed, Dec 18, 2002 at 12:44:34PM -0800, nate wrote: > David Neilson said: > > I am running software RAID on a RH 7.2 box (raidtools-0.90-23). I have > > configured all system partitions to be mirr

Re: Software RAID and SWAP

2002-12-18 Thread Ed Wilts
On Wed, Dec 18, 2002 at 12:44:34PM -0800, nate wrote: > David Neilson said: > > I am running software RAID on a RH 7.2 box (raidtools-0.90-23). I have > > configured all system partitions to be mirrored, including swap. The > > question is: Does swapping on RAID work? > > > I do not think soft

Re: Software RAID and SWAP

2002-12-18 Thread nate
David Neilson said: > I am running software RAID on a RH 7.2 box (raidtools-0.90-23). I have > configured all system partitions to be mirrored, including swap. The > question is: Does swapping on RAID work? I do not think software raid can work with swap. unless you use a swap file .. hardware

Software RAID and SWAP

2002-12-18 Thread David Neilson
I am running software RAID on a RH 7.2 box (raidtools-0.90-23). I have configured all system partitions to be mirrored, including swap. The question is: Does swapping on RAID work? The reason I ask is the following document on software RAID (which happens to be the most current RAID document