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From Orion Poplawski <or...@nwra.com>
Subject Re: hotcopy leaves db/rep-cache.db-journal, CIFS issues
Date Fri, 24 Aug 2018 17:57:04 GMT
On 08/24/2018 11:53 AM, Orion Poplawski wrote:
> subversion-1.10.2-1.fc28.x86_64
> 
> When doing a svnadmin hotcopy the file db/rep-cache.db-journal is left in the
> destination.  Is that expected?
> 
> I'm also seeing problems when copying to a CIFS mounted filesystem on EL7
> (/var/svn -> /nwra/monterey) - it gets stuck trying to deal with it.  I'm running:
> 
> /usr/share/doc/subversion-tools/backup/hot-backup.py --num-backups=7 --verify
> /var/svn/svn-nwra-mry /nwra/monterey/${dest}/backup-svn2
> 
> which runs:
> 
> /usr/bin/svnadmin hotcopy --clean-logs -- /var/svn/svn-nwra-mry
> /nwra/monterey/fafnir_backup/backup-svn2/svn-nwra-mry-13080
> 
> strace shows:
> 
> fcntl(4, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET, l_start=1073741824,
> l_len=1}) = 0
> fcntl(4, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET, l_start=1073741826,
> l_len=510}) = 0
> fcntl(4, F_SETLK, {l_type=F_UNLCK, l_whence=SEEK_SET, l_start=1073741824,
> l_len=1}) = 0
> stat("/var/svn/svn-nwra-mry/db/rep-cache.db-journal", 0x7fffdb0bc070) = -1
> ENOENT (No such file or directory)
> pread64(4, "\0\0\0\1\0\0\17x\0\0\0\0\0\0\0\0", 16, 24) = 16
> stat("/var/svn/svn-nwra-mry/db/rep-cache.db-wal", 0x7fffdb0bc070) = -1 ENOENT
> (No such file or directory)
> fstat(4, {st_mode=S_IFREG|0755, st_size=4055040, ...}) = 0
> fcntl(5, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET, l_start=1073741824,
> l_len=1}) = 0
> fcntl(5, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET, l_start=1073741826,
> l_len=510}) = 0
> fcntl(5, F_SETLK, {l_type=F_UNLCK, l_whence=SEEK_SET, l_start=1073741824,
> l_len=1}) = 0
> stat("/nwra/monterey/fafnir_backup/backup-svn2/svn-nwra-mry-13080/db/rep-cache.db-journal",
> 0x7fffdb0bc070) = -1 ENOENT (No such file or directory)
> pread64(5, "", 16, 24)                  = 0
> stat("/nwra/monterey/fafnir_backup/backup-svn2/svn-nwra-mry-13080/db/rep-cache.db-wal",
> 0x7fffdb0bc070) = -1 ENOENT (No such file or directory)
> fstat(5, {st_mode=S_IFREG|0755, st_size=0, ...}) = 0
> fcntl(5, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET, l_start=1073741825,
> l_len=1}) = 0
> fcntl(5, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET, l_start=1073741824,
> l_len=1}) = 0
> fcntl(5, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET, l_start=1073741826,
> l_len=510}) = -1 EACCES (Permission denied)
> fcntl(5, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET, l_start=1073741826,
> l_len=510}) = 0
> fcntl(5, F_SETLK, {l_type=F_UNLCK, l_whence=SEEK_SET, l_start=1073741824,
> l_len=2}) = 0
> fcntl(5, F_SETLK, {l_type=F_UNLCK, l_whence=SEEK_SET, l_start=0, l_len=0}) = 0
> fcntl(4, F_SETLK, {l_type=F_UNLCK, l_whence=SEEK_SET, l_start=0, l_len=0}) = 0
> nanosleep({tv_sec=0, tv_nsec=25000000}, NULL) = 0
> fcntl(4, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET, l_start=1073741824,
> l_len=1}) = 0
> fcntl(4, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET, l_start=1073741826,
> l_len=510}) = 0
> fcntl(4, F_SETLK, {l_type=F_UNLCK, l_whence=SEEK_SET, l_start=1073741824,
> l_len=1}) = 0
> stat("/var/svn/svn-nwra-mry/db/rep-cache.db-journal", 0x7fffdb0bc070) = -1
> ENOENT (No such file or directory)
> pread64(4, "\0\0\0\1\0\0\17x\0\0\0\0\0\0\0\0", 16, 24) = 16
> stat("/var/svn/svn-nwra-mry/db/rep-cache.db-wal", 0x7fffdb0bc070) = -1 ENOENT
> (No such file or directory)
> fstat(4, {st_mode=S_IFREG|0755, st_size=4055040, ...}) = 0
> fcntl(5, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET, l_start=1073741824,
> l_len=1}) = 0
> fcntl(5, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET, l_start=1073741826,
> l_len=510}) = 0
> fcntl(5, F_SETLK, {l_type=F_UNLCK, l_whence=SEEK_SET, l_start=1073741824,
> l_len=1}) = 0
> stat("/nwra/monterey/fafnir_backup/backup-svn2/svn-nwra-mry-13080/db/rep-cache.db-journal",
> 0x7fffdb0bc070) = -1 ENOENT (No such file or directory)
> pread64(5, "", 16, 24)                  = 0
> stat("/nwra/monterey/fafnir_backup/backup-svn2/svn-nwra-mry-13080/db/rep-cache.db-wal",
> 0x7fffdb0bc070) = -1 ENOENT (No such file or directory)
> fstat(5, {st_mode=S_IFREG|0755, st_size=0, ...}) = 0
> fcntl(5, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET, l_start=1073741825,
> l_len=1}) = 0
> fcntl(5, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET, l_start=1073741824,
> l_len=1}) = 0
> fcntl(5, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET, l_start=1073741826,
> l_len=510}) = -1 EACCES (Permission denied)
> fcntl(5, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET, l_start=1073741826,
> l_len=510}) = 0
> fcntl(5, F_SETLK, {l_type=F_UNLCK, l_whence=SEEK_SET, l_start=1073741824,
> l_len=2}) = 0
> fcntl(5, F_SETLK, {l_type=F_UNLCK, l_whence=SEEK_SET, l_start=0, l_len=0}) = 0
> fcntl(4, F_SETLK, {l_type=F_UNLCK, l_whence=SEEK_SET, l_start=0, l_len=0}) = 0
> nanosleep({tv_sec=0, tv_nsec=25000000},
> 
> continues forever.  Perhaps the cifs mount does not allow for locking?
> 
> 
> 

Looks like it's trying to get a lock on
/nwra/monterey/fafnir_backup/backup-svn2/svn-nwra-mry-13080/db/rep-cache.db

-- 
Orion Poplawski
Manager of NWRA Technical Systems          720-772-5637
NWRA, Boulder/CoRA Office             FAX: 303-415-9702
3380 Mitchell Lane                       orion@nwra.com
Boulder, CO 80301                 https://www.nwra.com/

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