雑記/2014-06-06でGW3.5MX2-SUE/CB + WD20EARSx2台構成でHDD故障とバックアップした。
GW3.5MX2-SUE/CBの仕様をしらべると3TBまでは対応しているようなので、WD30EZRX-1TBPを2台を購入してリカバリする事にした。
dmesg ... [ 3840.979590] usb 1-4: new high-speed USB device number 3 using ehci-pci [ 3841.112231] usb 1-4: New USB device found, idVendor=1a4a, idProduct=1670 [ 3841.112243] usb 1-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 3841.112250] usb 1-4: Product: 5744 FW:1.1597 [ 3841.112257] usb 1-4: Manufacturer: Silicon Image, Inc [ 3841.112262] usb 1-4: SerialNumber: 67304734999999999999 [ 3841.112966] scsi7 : usb-storage 1-4:1.0 ... ---- LANG=C fdisk -l ... Disk /dev/sdc: 3000.6 GB, 3000592982016 bytes 256 heads, 63 sectors/track, 363376 cylinders, total 5860533168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 8388608 bytes I/O size (minimum/optimal): 8388608 bytes / 8388608 bytes Alignment offset: 4380672 bytes Disk identifier: 0x00000000
LANG=C parted /dev/sdc # パーティションを確認して削除(一度windowsに繋いでGPTにしたため見えている)。rmは即座に削除されるため注意 (parted) p Model: External AL2_12345678_0_S (scsi) Disk /dev/sdc: 3001GB Sector size (logical/physical): 512B/8388608B Partition Table: gpt Number Start End Size File system Name Flags 1 17.4kB 134MB 134MB Microsoft reserved partition msftres (parted) rm 1 # 3TBなのでGPTにする (parted) mklabel gpt # 新しいパーティションを1つ作り、ext4で確保。フォーマットはmkfs.ext4で行う (parted) mkpart Partition name? []? DATA3TB File system type? [ext2]? ext4 Start? 0% End? 100% (parted) p Model: External AL2_12345678_0_S (scsi) Disk /dev/sdc: 3001GB Sector size (logical/physical): 512B/8388608B Partition Table: gpt Number Start End Size File system Name Flags 1 4381kB 3001GB 3001GB DATA3TB # AFTのディスクなのでアラインを調整 (parted) align-check opt 1 1 aligned (parted) p Number Start End Size File system Name Flags 1 4381kB 3001GB 3001GB DATA3TB # 終了 (parted) q
mkfs.ext4 /dev/sdc1 -m 0
hdparm -Tt /dev/sdc1 /dev/sdc1: Timing cached reads: 6844 MB in 2.00 seconds = 3423.81 MB/sec Timing buffered disk reads: 74 MB in 3.04 seconds = 24.35 MB/sec
hdparm -Tt /dev/sdb1 /dev/sdb1: Timing cached reads: 6684 MB in 2.00 seconds = 3345.75 MB/sec HDIO_DRIVE_CMD(null) (wait for flush complete) failed: Inappropriate ioctl for device Timing buffered disk reads: 178 MB in 3.01 seconds = 59.19 MB/sec HDIO_DRIVE_CMD(null) (wait for flush complete) failed: Inappropriate ioctl for device
mount /dev/sdc1 /mnt/disk1 df -h Filesystem Size Used Avail Use% Mounted on ... /dev/sdc1 2.7T 73M 2.7T 1% /mnt/disk1
nohup time rsync -av --exclude "lost+found" --exclude ".recycle" /opt/backup/ /mnt/disk1/ &