I'm seeing out-of-storage errors from rsync_bpc when transferring large (4 GB)
files:
rsync_bpc: failed to open
"/home/localuser/mysql/hostname-srv-sql.our_database.sql", continuing: No space
left on device (28)
The volume supporting the 'pc' folder has 6 GB free and lives an SSD under
/var/lib/BackupPC whereas the pool folders are linked to a traditional hard
disk with 78 GB free. The backup pool lives on a 100GB platter with a
LUKS-encrypted LVM hosting an XFS filesystem. The 'pc' folder resides on the
operating system's SSD:
# ls -lht /var/lib/BackupPC
total 4.0K
drwxr-x---. 9 backuppc backuppc 4.0K Aug 20 12:06 pc
lrwxrwxrwx. 1 backuppc backuppc 33 Aug 14 14:35 pool ->
/mnt/backup-volume/BackupPC/pool/
lrwxrwxrwx. 1 backuppc backuppc 34 Aug 14 14:35 cpool ->
/mnt/backup-volume/BackupPC/cpool/
So which system is it claiming is out of space? Full Xfer error log and other
data follows:
Running: /usr/bin/rsync_bpc --bpc-top-dir /var/lib/BackupPC/ --bpc-host-name
hostname-srv-sql --bpc-share-name / --bpc-bkup-num 1 --bpc-bkup-comp 3
--bpc-bkup-prevnum -1 --bpc-bkup-prevcomp -1 --bpc-bkup-inode0 137627
--bpc-attrib-new --bpc-log-level 1 -e /usr/bin/ssh\ -l\ backuppc
--rsync-path=sudo\ /usr/bin/rsync --super --recursive --protect-args
--numeric-ids --perms --owner --group -D --times --links --hard-links --delete
--delete-excluded --partial --log-format=log:\ %o\ %i\ %B\ %8U,%8G\ %9l\ %f%L
--stats --timeout=72000 --exclude=/sys --exclude=\*.vhd hostname-srv-sql:/ /
incr backup started for directory /
Xfer PIDs are now 129260
This is the rsync child about to exec /usr/bin/rsync_bpc
********************************************************************************
NOTICE: Use of this system is protected and monitored
********************************************************************************
This system is the property of blah blah blah
...
********************************************************************************
Xfer PIDs are now 129260,129338
xferPids 129260,129338
[ skipped 2 lines ]
rsync_bpc: failed to open
"/home/localuser/mysql/hostname-srv-sql.our_database.sql", continuing: No space
left on device (28)
[ skipped 4 lines ]
rsync_bpc: mkstemp
"/home/localuser/mysql/.hostname-srv-sql.our_database.sql.000000" failed: No
space left on device (28)
[ skipped 99 lines ]
Done: 0 errors, 2 filesExist, 3001 sizeExist, 520 sizeExistComp, 0 filesTotal,
0 sizeTotal, 23 filesNew, 2554137 sizeNew, 554933 sizeNewComp, 137627 inode
Relevant BackupPC system data:
backuppc-host: $ df -hP
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/rootvg-rootlv 7.8G 182M 7.2G 3% /
devtmpfs 1.7G 0 1.7G 0% /dev
tmpfs 1.7G 0 1.7G 0% /dev/shm
tmpfs 1.7G 9.1M 1.7G 1% /run
tmpfs 1.7G 0 1.7G 0% /sys/fs/cgroup
/dev/mapper/rootvg-usrlv 9.8G 1.4G 7.9G 16% /usr
/dev/mapper/rootvg-optlv 2.0G 6.1M 1.8G 1% /opt
/dev/sda1 976M 138M 772M 16% /boot
/dev/mapper/rootvg-tmplv 2.0G 6.3M 1.8G 1% /tmp
/dev/mapper/rootvg-homelv 976M 3.1M 906M 1% /home
/dev/mapper/rootvg-varlv 7.8G 1.5G 5.9G 20% /var
/dev/mapper/luks 96G 19G 78G 20% /mnt/backup-volume
/dev/sdb1 6.8G 32M 6.4G 1% /mnt/resource
tmpfs 344M 0 344M 0% /run/user/1001
tmpfs 344M 0 344M 0% /run/user/0
backuppc-host: $ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
fd0 2:0 1 4K 0 disk
sda 8:0 0 64G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 63G 0 part
├─rootvg-tmplv 253:1 0 2G 0 lvm /tmp
├─rootvg-usrlv 253:2 0 10G 0 lvm /usr
├─rootvg-swaplv 253:3 0 2G 0 lvm [SWAP]
├─rootvg-optlv 253:4 0 2G 0 lvm /opt
├─rootvg-homelv 253:5 0 1G 0 lvm /home
├─rootvg-varlv 253:6 0 8G 0 lvm /var
└─rootvg-rootlv 253:7 0 8G 0 lvm /
sdb 8:16 0 7G 0 disk
└─sdb1 8:17 0 7G 0 part /mnt/resource
sdc 8:32 0 96G 0 disk
└─sdc1 8:33 0 96G 0 part
└─luks-backup_disk 253:0 0 96G 0 lvm
└─luks 253:8 0 96G 0 crypt /mnt/backup-volume
hostname-srv: # df -hP
Filesystem Size Used Avail Use% Mounted on
/dev/sda2 31G 14G 16G 47% /
tmpfs 3.4G 0 3.4G 0% /dev/shm
/dev/sda1 477M 97M 355M 22% /boot
/dev/sdb1 99G 2.1G 92G 3% /mnt/resource
Target system's database directory:
# ls -lha /home/localuser/mysql/
total 5.1G
drwxrwxr-x. 2 localuser localuser 4.0K May 3 01:00 .
drwxr-x---. 3 localuser localuser 4.0K Jan 4 2018 ..
-rw-rw-r--. 1 backuppc backuppc 3.9G Aug 22 01:03
hostname-srv-sql.our_database.sql
-rw-rw-r--. 1 backuppc backuppc 1.2G May 2 01:02
hostname-srv-sql.another_database.sql
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