AW: Problems with LVM and "scsi add-single-device"

[Michael Dr|ing]

The problem was fixed by applying the patch for "/proc/partitions endless loop" posted on the kernel mailing list.
Hope this patch will be in the next kernel-release...

--Michael

> -----Ursprüngliche Nachricht-----
> Von: Michael Drüing 
> Gesendet: Freitag, 28. September 2001 14:34
> An: Linux Kernel Mailing List (E-Mail)
> Cc: Alexander Landgraf
> Betreff: Problems with LVM and "scsi add-single-device"
> 
> 
> Hi,
> 
> we're having problems using LVM (see end of mail for version 
> numbers) together with the "scsi add-single-device"-feature:
> We have an external RAID which responds on three SCSI-LUN's: 
> ID 2, LUN 0 to 2. On LUNs 0 and 1 we have created PVs and 
> mapped them into one LV. Now we wanted to extend our 
> filesystem (XFS) on the third LUN without bringing the system down.
> We did an "echo scsi add-single-device 2 0 2 2 > 
> /proc/scsi/scsi" to make the kernel recognize the new LUN. 
> But after that all calls to "pvscan" or "pvcreate" or even 
> "vgscan" failed. They slow down the system extremely and we 
> have to interrupt them with Ctrl-C.
> Anyone got an idea what the problem might be?
> 
> Thanks
> --Michael
> 
> Here are some version numbers of our system:
> Linux 2.4.10 (base system is SuSE 7.1 with SGI XFS kernel 
> built from CVS-tree)
> LVM 0.9.1 beta 6 (however, the user programs [pvscan, 
> pvcreate, ...] are from beta 7)
> aic7xxx driver 6.2.1 (that's our SCSI adapter)
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