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LatOffline
Post subject: Upgrade Harddisk  PostPosted: 03.03.2013, 05:19



Joined: 2010-09-19
Posts: 159

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Is there a safe way to move the content of a harddisk (MBR and partitions) to a bigger one?
If so,What harddrive will you recommend. This is my current one:Western Digital RE3 Enterprise 250GB SATA/300 7200RPM 16MB Hard Drive
      Code:
hdparm -I /dev/sda

/dev/sda:

ATA device, with non-removable media
        Model Number:       WDC WD2502ABYS-18B7A0                   
        Serial Number:      WD-WCAT-------
        Firmware Revision:  02.03B04
        Transport:          Serial, SATA 1.0a, SATA II Extensions, SATA Rev 2.5
Standards:
        Supported: 8 7 6 5
        Likely used: 8
Configuration:
        Logical         max     current
        cylinders       16383   16383
        heads           16      16
        sectors/track   63      63
        --
        CHS current addressable sectors:   16514064
        LBA    user addressable sectors:  268435455
        LBA48  user addressable sectors:  488281250
        Logical/Physical Sector size:           512 bytes
        device size with M = 1024*1024:      238418 MBytes
        device size with M = 1000*1000:      250000 MBytes (250 GB)
        cache/buffer size  = 16384 KBytes
        Nominal Media Rotation Rate: 7200
Capabilities:
        LBA, IORDY(can be disabled)
        Queue depth: 32
        Standby timer values: spec'd by Standard, with device specific minimum
        R/W multiple sector transfer: Max = 16  Current = 8
        Recommended acoustic management value: 128, current value: 254
        DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 udma5 *udma6
             Cycle time: min=120ns recommended=120ns
        PIO: pio0 pio1 pio2 pio3 pio4
             Cycle time: no flow control=120ns  IORDY flow control=120ns
Commands/features:
        Enabled Supported:
           *    SMART feature set
                Security Mode feature set
           *    Power Management feature set
           *    Write cache
           *    Look-ahead
           *    Host Protected Area feature set
           *    WRITE_BUFFER command
           *    READ_BUFFER command
           *    NOP cmd
           *    DOWNLOAD_MICROCODE
                Power-Up In Standby feature set
           *    SET_FEATURES required to spinup after power up
                SET_MAX security extension
                Automatic Acoustic Management feature set
           *    48-bit Address feature set
           *    Device Configuration Overlay feature set
           *    Mandatory FLUSH_CACHE
           *    FLUSH_CACHE_EXT
           *    SMART error logging
           *    SMART self-test
           *    General Purpose Logging feature set
           *    WRITE_{DMA|MULTIPLE}_FUA_EXT
           *    64-bit World wide name
           *    WRITE_UNCORRECTABLE_EXT command
           *    {READ,WRITE}_DMA_EXT_GPL commands
           *    Segmented DOWNLOAD_MICROCODE
           *    Gen1 signaling speed (1.5Gb/s)
           *    Gen2 signaling speed (3.0Gb/s)
           *    Native Command Queueing (NCQ)
           *    Phy event counters
                DMA Setup Auto-Activate optimization
           *    Software settings preservation
           *    SMART Command Transport (SCT) feature set
           *    SCT Read/Write Long (AC1), obsolete
           *    SCT Write Same (AC2)
           *    SCT Error Recovery Control (AC3)
           *    SCT Features Control (AC4)
           *    SCT Data Tables (AC5)
                unknown 206[12] (vendor specific)
                unknown 206[13] (vendor specific)


This harddrive host the operating system of a 24/7 home server.

Thank you
 
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kenyeeOffline
Post subject: RE: Upgrade Harddisk  PostPosted: 03.03.2013, 23:28



Joined: 2010-09-29
Posts: 80

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you could set up mdadm, RAID1 the drives, add new drive, sync, remove old drive, then expand sizes. I've done this before, but I also use LVM which makes it a bit easier...
 
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piperOffline
Post subject: RE: Upgrade Harddisk  PostPosted: 04.03.2013, 15:37
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Location: cheektowaga, ny
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IMHO, I would start from scratch, it can save headaches later, but you can also wait for more replies Smile

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bfreeOffline
Post subject: RE: Upgrade Harddisk  PostPosted: 04.03.2013, 18:51
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Joined: 2010-08-26
Posts: 247

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Boot a live cd/usb, with both disks connected. Partition the new disk and create the filesystems.

For each partition (e.g. you may have a seperate /home or /usr or whatever) mount the old and new targets (e.g. the old and new / partitions) and "cp -a" or "rsync -a" the files from the old disk to the new one.

Fix the uuid's in the new /etc/fstab so they have the new values (you can "ls -l /dev/disk/by-uuid" to see them). umount the old systems disks and follow the manual guide to chroot and re-install grub to/from the new disk.

Hopefully I've remembered everything Wink
 
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LatOffline
Post subject: RE: Upgrade Harddisk  PostPosted: 05.03.2013, 02:00



Joined: 2010-09-19
Posts: 159

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Thank you guys, but will any of these methods copy MBR?

See, I have legacy GRUB in MBR, and GRUB2 in the aptosid root partition.

Otherwise, bfree method will be the solution and dig out a sidux live cd for legacy GRUB

Also, I feel nowdays harddisks are big disappointment and WD doesn't carry the enterprise line anymore(or they've hidden from me). What brand/model are you satisfied with?

In order of importance: Reliability > Speed > Noise
 
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piperOffline
Post subject: RE: Upgrade Harddisk  PostPosted: 05.03.2013, 17:25
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Posts: 480
Location: cheektowaga, ny
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Is there a special reason you are using legacy grub in MBR ?

To backup the MBR you can use
sfdisk or dd

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