[Bug 1833296] [NEW] /dev/mapper is empty after disk replacement

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Hello,

I've got this fakeraid installed in my box:

01:00.0 RAID bus controller: Silicon Image, Inc. SiI 3132 Serial ATA
Raid II Controller (rev 01)

I've replaced the drive and the device in /dev/mapper is no more
available.

I've tried to rebuild the raid, and try to activate it using the dmraid
utility, but the output is always the same:

no raid disks

I can see my drives as a block device (via option -b), but it is not
discovered:

# dmraid -s -vvvv -dddd  | grep sdb
NOTICE: /dev/sdb: asr     discovering
NOTICE: /dev/sdb: ddf1    discovering
NOTICE: /dev/sdb: hpt37x  discovering
NOTICE: /dev/sdb: hpt45x  discovering
NOTICE: /dev/sdb: isw     discovering
NOTICE: /dev/sdb: jmicron discovering
NOTICE: /dev/sdb: lsi     discovering
NOTICE: /dev/sdb: nvidia  discovering
NOTICE: /dev/sdb: pdc     discovering
NOTICE: /dev/sdb: sil     discovering
NOTICE: /dev/sdb: via     discovering


I've got this Ubuntu release:

root at media-server:/home/admin# lsb_release -rd
Description:    Ubuntu 18.04.2 LTS
Release:        18.04

I've seen these devices before the replacement and upgrade:

/dev/mapper/sil_bjagagcbafdh3
/dev/mapper/sil_bjagagcbafdh1
/dev/mapper/sil_bjagagcbafdh2    

I would like to get the device mapper back so I can utilize the raid
functionality.

Thanks a lot for any help.

Tom

** Affects: dmraid (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: bot-comment
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/dev/mapper is empty after disk replacement
https://bugs.launchpad.net/bugs/1833296
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