SWXCR Hard Error Detected

[Rustam Aliyev]

Hi,

I've AlphaServer 4100 running Digital Unix 4.0D with following patchsets installed:
- duv40das0009-20010724
- duv40db17-c0061401-12858-e-20020115

System installed on external Raid 230/Plus w/ 4x36GB disks all in JBOD mode.

System disk splited into 2 partiotions, both uses AdvFS filesystem as follows:
root_domain#root /
usr_domain#usr /usr

/var partioion linked to /usr/var


Today at morning I found that server freeze and console shows black screen. After reboot in single user mode I tried to mount /usr partition and get following error:



-----------------
# mount /usr
Initializing the System Disk SWXCR, re0.....
xcr_logger: XCR_ERROR packet
xcr_Logger: cntrl 0 unit 0
re_complete
I/O failed
Hard Error Detected
Active XCR_COM at time of error
Active Controller Working Set at time of error




panic (cpu 0): ftx_bfmeta_rec_recdb: bs_pi?????????
N1 = 5, N2 = 3675
syncing disks... done



trap: invalid memory read access from ????????????
......
......
-----------------------------------

then server crashed and rebooted again.

I tried to /sbin/advfs/verify but it printed out same error and reboots.

Can I repair my /usr partition or I should install OS from scratch?

Thank you in advance...

[Ralf Puchner · Accepted solution]

The panic indicates a metadata corruption within ADVFS. If swxcr logs an error it seems to be hardware related. Please check hardware first, fix it and recreate the domain.