[LU-15913] rename stress test leads to REMOTE_PARENT_DIR corruption

• Type: Bug
• Resolution: Unresolved
• Priority: Blocker
• Severity: 3
• Assignee: WC Triage
• Reporter: Artem Blagodarenko (Inactive)

Description

Streess test with active renaming of files and directories inside a striped directory finished with an error:

Performing actions for 'rename(2,676pp674,aaaaaaaaaa,bbbbbbbbbb,cccccccccc,dddddddddd,eeeeeeeeee,ffffffffff,gggggggggg,hhhhhhhhhh,iiiiiiiiii,jjjjjjjjjj,kkkkkkkkkk,llllllllll,mmmmmmmmmm,nnnnnnnnnn,oooooo -> 3,676pp674,aaaaaaaaaa,bbbbbbbbbb,cccccccccc,dddddddddd,eeeeeeeeee,ffffffffff,gggggggggg,hhhhhhhhhh,i) error Input/output error (5)'
numerrs=1
Fri Jun  3 01:06:30 CDT 2022 

leads to corrupted MDT partition. E2fsck reports next symptoms:

1) incorrect filetype

2) a link to directory

3) .. points to the REMOTE_PARENT_DIR but should point to the special directory with sequence name

./data.20220423/server/e2fsck.pre_read_only.kjcf04n03.6.1-010.43.20220504165818.out.kjcf04n03:Entry '14,37275pp37273,aaaaaaaaaa,bbbbbbbbbb,cccccccccc,dddddddddd,eeeeeeeeee,ffffffffff,gggggggggg,hhh' in /REMOTE_PARENT_DIR/0x24006497a:0x129bc:0x0 (4014289161) has an incorrect filetype (was 17, should be 2).

./data.20220423/server/e2fsck.pre_read_only.kjcf04n03.6.1-010.43.20220504165818.out.kjcf04n03:Entry '0x24006b05d:0xa4c8:0x0' in /REMOTE_PARENT_DIR (4030089985) is a link to directory /REMOTE_PARENT_DIR/0x24006497a:0x129bc:0x0/14,37275pp37273,aaaaaaaaaa,bbbbbbbbbb,cccccccccc,dddddddddd,eeeeeeeeee,ffffffffff,gggggggggg,hhh (4014289162 fid=[0x20006a4b1:0x42c6:0x0]).

./data.20220423/server/e2fsck.pre_read_only.kjcf04n03.6.1-010.43.20220504165818.out.kjcf04n03:'..' in /REMOTE_PARENT_DIR/0x24006497a:0x129bc:0x0/14,37275pp37273,aaaaaaaaaa,bbbbbbbbbb,cccccccccc,dddddddddd,eeeeeeeeee,ffffffffff,gggggggggg,hhh (4014289162) is /REMOTE_PARENT_DIR (4030089985), should be /REMOTE_PARENT_DIR/0x24006497a:0x129bc:0x0 (4014289161).  

 

Issue Links

• is related to: LU-12834 MDT hung during failover
• is related to: LU-15491 rename deadlock
• is related to: LU-17448 LBUG in racer with layout change
• is related to: LU-14570 e2fsck reports "Entry '..' an incorrect filetype (was 18, should be 1)"
• is related to: LU-12125 Allow parallel rename of regular files
• is related to: LU-15830 distribute mkdir should lookup target name
• is related to: LU-17426 parallel cross-directory rename of regular files on single MDT