How to repair XtreemFS MRC?

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Namhyeon Go

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Jun 30, 2018, 8:10:40 AM6/30/18
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I have 5 servers (cwds-compute-1 to cwds-compute-5). but, 3nd server has MRC crash problem.

How to repair MRC of 'cwds-compute-3' (80.***.***.183)?

root@cwds-compute-1:/mnt/cwds-volume-1# mount.xtreemfs cwds-compute-1.example.org/cwds-volume-2 /mnt/cwds-volume-2
mount
.xtreemfs failed: The server 80.***.***.183:32636 (09ef29a3-6b27-4e4c-a027-2e94400a727c) denied the requested operation. Error Value: POSIX_ERROR_ENOENT Error message: volume 'cwds-volume-2' not found on this MRC (errno=POSIX_ERROR_ENOENT)
root@cwds
-compute-1:/mnt/cwds-volume-1# mount.xtreemfs cwds-compute-1.example.org/cwds-volume-2 /mnt/cwds-volume-2
mount
.xtreemfs failed: The server 80.***.***.183:32636 (09ef29a3-6b27-4e4c-a027-2e94400a727c) denied the requested operation. Error Value: POSIX_ERROR_ENOENT Error message: volume 'cwds-volume-2' not found on this MRC (errno=POSIX_ERROR_ENOENT)
root@cwds
-compute-1:/mnt/cwds-volume-1# mount.xtreemfs cwds-compute-1.example.org/cwds-volume-2 /mnt/cwds-volume-2
mount
.xtreemfs failed: The server 80.***.***.183:32636 (09ef29a3-6b27-4e4c-a027-2e94400a727c) denied the requested operation. Error Value: POSIX_ERROR_ENOENT Error message: volume 'cwds-volume-2' not found on this MRC (errno=POSIX_ERROR_ENOENT)
root@cwds
-compute-1:/mnt/cwds-volume-1# mount.xtreemfs cwds-compute-1.example.org/cwds-volume-2 /mnt/cwds-volume-2
mount
.xtreemfs failed: The server 80.***.***.183:32636 (09ef29a3-6b27-4e4c-a027-2e94400a727c) denied the requested operation. Error Value: POSIX_ERROR_ENOENT Error message: volume 'cwds-volume-2' not found on this MRC (errno=POSIX_ERROR_ENOENT)
root@cwds
-compute-1:/mnt/cwds-volume-1# mount.xtreemfs cwds-compute-1.example.org/cwds-volume-2 /mnt/cwds-volume-2
mount
.xtreemfs failed: The server 80.***.***.183:32636 (09ef29a3-6b27-4e4c-a027-2e94400a727c) denied the requested operation. Error Value: POSIX_ERROR_ENOENT Error message: volume 'cwds-volume-2' not found on this MRC (errno=POSIX_ERROR_ENOENT)
root@cwds
-compute-1:/mnt/cwds-volume-1# mount.xtreemfs cwds-compute-1.example.org/cwds-volume-2 /mnt/cwds-volume-2
mount
.xtreemfs failed: The server 80.***.***.183:32636 (09ef29a3-6b27-4e4c-a027-2e94400a727c) denied the requested operation. Error Value: POSIX_ERROR_ENOENT Error message: volume 'cwds-volume-2' not found on this MRC (errno=POSIX_ERROR_ENOENT)


Try mount.xtreemfs after complted mkfs.xtreemfs:

root@cwds-compute-1:~# mkdir /mnt/cwds-volume-3
root@cwds
-compute-1:~# mkfs.xtreemfs cwds-compute-1.example.org/cwds-volume-3
Trying to create the volume: cwds-compute-1.example.org/cwds-volume-3

Using options:
 
Owner:                        root
 
Owning group:                 root
 
Mode:                         777
 
Access Control Policy:        POSIX
 
Quota:                        0

 
Default striping policy:              RAID0
 
Default stripe size (object size):    128
 
Default stripe width (# OSDs):        1

Successfully created volume "cwds-volume-3" at MRC: cwds-compute-1.example.org/cwds-volume-3

root@cwds
-compute-1:~# mount.xtreemfs cwds-compute-1.example.org/cwds-volume-3 /mnt/cwds-volume-3
mount
.xtreemfs failed: The server 80.***.***.183:32636 (09ef29a3-6b27-4e4c-a027-2e94400a727c) denied the requested operation. Error Value: POSIX_ERROR_ENOENT Error message: volume 'cwds-volume-3' not found on this MRC (errno=POSIX_ERROR_ENOENT)




Namhyeon Go

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Jun 30, 2018, 10:46:01 AM6/30/18
to XtreemFS

Solved. it is occured problem by duplicated UUID. anyone if show the same issue, must be check /etc/xos/xtreemfs/ configurations.


2018년 6월 30일 토요일 오후 9시 10분 40초 UTC+9, Namhyeon Go 님의 말:

Robert Schmidtke

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Jul 2, 2018, 11:02:15 AM7/2/18
to XtreemFS
Cross-referencing the corresponding issue for the sake of completeness: https://github.com/xtreemfs/xtreemfs/issues/483
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