[opensuse] Unexpected block devices
Hello List, on two systems newly upgraded to Leap 15.0, I'm seeing strange block devices: e.g. with four HDDs, the system runs fine for a while (say, a week), then additional block devices /dev/sde ... /dev/sdh appear, and any process calling open() on them hangs in disk sleep. Has anyone seen something similar? Do you have any idea how to isolate the process that creates these? Thanks a lot, A. -- Ansgar Esztermann Sysadmin Dep. Theoretical and Computational Biophysics http://www.mpibpc.mpg.de/grubmueller/esztermann
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Friday, 2019-03-29 at 10:27 +0100, Ansgar Esztermann-Kirchner wrote:
Hello List,
on two systems newly upgraded to Leap 15.0, I'm seeing strange block devices: e.g. with four HDDs, the system runs fine for a while (say, a week), then additional block devices /dev/sde ... /dev/sdh appear, and any process calling open() on them hangs in disk sleep. Has anyone seen something similar? Do you have any idea how to isolate the process that creates these?
Scan the log. It is possible that yoou see at some point devices /dev/sda..sde failing and new ones being created. - -- Cheers, Carlos E. R. (from openSUSE 15.0 x86_64 at Telcontar) -----BEGIN PGP SIGNATURE----- iHIEARECADIWIQQZEb51mJKK1KpcU/W1MxgcbY1H1QUCXJ3skBQccm9iaW4ubGlz dGFzQGdteC5lcwAKCRC1MxgcbY1H1cWCAJ9kK/aM3k/IvJctcqNRmy/bOKCSCQCe O5cHRg0cTggyAzjSV0iPQe83UWU= =Kr5v -----END PGP SIGNATURE----- -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org To contact the owner, e-mail: opensuse+owner@opensuse.org
On 29.03.19 10:27, Ansgar Esztermann-Kirchner wrote:
Hello List,
on two systems newly upgraded to Leap 15.0, I'm seeing strange block devices: e.g. with four HDDs, the system runs fine for a while (say, a week), then additional block devices /dev/sde ... /dev/sdh appear, and any process calling open() on them hangs in disk sleep. Has anyone seen something similar? Do you have any idea how to isolate the process that creates these?
Thanks a lot,
A.
Check serial numbers of all devices. If the serial numbers are not unique, you may have multiple paths to your devices. Then you should consider using multipathing. https://unix.stackexchange.com/questions/121757/harddisk-serial-number-from-... http://www.sourceware.org/lvm2/wiki/MultipathUsageGuide
On Fri, Mar 29, 2019 at 11:15:42AM +0100, Florian Gleixner wrote:
On 29.03.19 10:27, Ansgar Esztermann-Kirchner wrote:
Check serial numbers of all devices. If the serial numbers are not unique, you may have multiple paths to your devices. Then you should consider using multipathing.
https://unix.stackexchange.com/questions/121757/harddisk-serial-number-from-...
Thanks for the link! It turns out the devices belong to a card reader (with slots for multiple card formats). I'm not sure how to deal with this, but at least I know what's up. A. -- Ansgar Esztermann Sysadmin Dep. Theoretical and Computational Biophysics http://www.mpibpc.mpg.de/grubmueller/esztermann
participants (3)
-
Ansgar Esztermann-Kirchner -
Carlos E. R. -
Florian Gleixner