https://bugzilla.kernel.org/show_bug.cgi?id=172831
Bug ID: 172831
Summary: Adaptec ASR7805 in RAID (Expose RAW) mode recreate
block devices and broke MDRAID
Product: SCSI Drivers
Version: 2.5
Kernel Version: 4.7.4-1.el7.elrepo.x86_64
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: high
Priority: P1
Component: AACRAID
Assignee: scsi_drivers-aacr...@kernel-bugs.osdl.org
Reporter: v.badal...@open-bs.ru
Regression: No
1. Have 2 x Adaptec ASR7805 in RAID (Expose RAW) mode
2. Have 8 SSD in Raw (Pass Through) mode
3. Have Centos 7
4. Create linux software raid 10
5. After reboot:
a) mdadm in boot time found and create raid10 device.
b) raid10 device is started
c) block devices recreated after 1-2 secs (and gets other names!)
d) raid10 marked as degraded. 1-2 disks say is Offline (old data)
Becouse it is not system volume i simple do hot fix in rc.local:
mdadm -S /dev/md*
mdadm -As
mount -o discard /dev/md/0_0 /mnt/SSD
dmesg, ./arcconf GETCONFIG 1 and 2, dmidecode in attach!
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