Changing chunk size

2007-02-15 Thread Bill Davidsen
I have determined that a large array was created with an overly-large chunk size. Best way to resize? -- bill davidsen [EMAIL PROTECTED] CTO TMR Associates, Inc Doing interesting things with small computers since 1979 - To unsubscribe from this list: send the line unsubscribe linux-raid in

Re: RAID 10 resync leading to attempt to access beyond end of device

2007-02-15 Thread John Stilson
Ok tried the patch and got a kernel BUG this time (BUG_ON(k == conf-copies)?) -John Feb 15 12:52:35 testsvr kernel: md: recovery of RAID array md0 Feb 15 12:52:35 testsvr kernel: md: minimum _guaranteed_ speed: 1000 KB/sec/disk. Feb 15 12:52:35 testsvr kernel: md: using maximum available idle

Re: RAID 10 resync leading to attempt to access beyond end of device

2007-02-15 Thread John Stilson
Oh, an additional piece of information I just realized I had not put in my original email is that this failure only happens intermittenly -- 50%-75% of the time a rebuild occurs -John On 2/15/07, John Stilson [EMAIL PROTECTED] wrote: Ok tried the patch and got a kernel BUG this time (BUG_ON(k

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2007-02-15 Thread Derek Yeung
help - To unsubscribe from this list: send the line unsubscribe linux-raid in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html

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2007-02-15 Thread Derek Yeung
unsubscribe linux-raid - To unsubscribe from this list: send the line unsubscribe linux-raid in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html

[EMAIL PROTECTED]: minor cosmetic bug in md]

2007-02-15 Thread Dan Pritts
(sorry for the direct spam, neil) - Forwarded message from Dan Pritts [EMAIL PROTECTED] - Date: Thu, 15 Feb 2007 13:42:36 -0500 From: Dan Pritts [EMAIL PROTECTED] To: [EMAIL PROTECTED] Subject: minor cosmetic bug in md Hi, I wanted a linear device that included two partitions on the

Re: Changing chunk size

2007-02-15 Thread Neil Brown
On Thursday February 15, [EMAIL PROTECTED] wrote: I have determined that a large array was created with an overly-large chunk size. Best way to resize? Dump and restore. in-place reshapes (such as raid5 + 1 disk = raid6 or change-chunk-size) are on my list of 'that might be interesting to

Re: RAID 10 resync leading to attempt to access beyond end of device

2007-02-15 Thread Neil Brown
On Thursday February 15, [EMAIL PROTECTED] wrote: Ok tried the patch and got a kernel BUG this time (BUG_ON(k == conf-copies)?) Thanks obviously I missed some subtlety. I think I have it right now. I've tested this against a setup which I think is sufficiently identical to yours this time

Re: [EMAIL PROTECTED]: minor cosmetic bug in md]

2007-02-15 Thread Neil Brown
On Thursday February 15, [EMAIL PROTECTED] wrote: Hi, I wanted a linear device that included two partitions on the same disk (I have my reasons). I created it, it worked, yada yada. But I got this error in my dmesg output: md0: WARNING: hda5 appears to be on the same physical

2.6.20: reproducible hard lockup with RAID-5 resync

2007-02-15 Thread Corey Hickey
I think I have found an easily-reproducible bug in Linux 2.6.20. I have already applied the Fix various bugs with aligned reads in RAID5 patch, and that had no effect. It appears to be related to the resync process, and makes the system lock up, hard. The steps to reproduce are: 1. Be running