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Thread: SSD as boot drive

  1. #1
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    SSD as boot drive

    I tried to get some help on Linuxquestions.org but I couldn't. If I use an SSD as my boot drive only containing Ubuntu, the programs that come with it, and maybe a few others what size should I use? I'm building my own computer and I'm going to have 4 HDDs running RAID 10 and the SSD.

  2. #2
    ahallubuntu is offline Chocolate-Covered Ubuntu Beans
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    Re: SSD as boot drive

    I have no idea what you will be doing with Ubuntu. For me, 40GB would be plenty for the OS + swap. Maybe you will be doing more, not sure? 40GB SSD drives (even 80GB) are not expensive anymore.

  3. #3
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    Re: SSD as boot drive

    Like I said, just a boot drive. I heard around 128-256 for windows but windows is huge compared to Ubuntu in terms of file size. I figured I'd go with 80.

  4. #4
    ahallubuntu is offline Chocolate-Covered Ubuntu Beans
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    Re: SSD as boot drive

    I've done plenty of Ubuntu installations that fit just fine in 20GB. Even XP will fit in 20GB - a bit tight. Windows 7 needs more space, but I've had it running on a 60GB drive easily but without much installed. 80GB would be better for Windows 7.

    So, I think 80GB will be more than enough for Ubuntu. More than plenty unless you will be installing lots of stuff like building your own kernel, lots of software source code, etc.

  5. #5
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    Re: SSD as boot drive

    I have two full installs of Ubuntu in my 64GB SSD. I include /home but have all data including some of the hidden files & folders in data partitions on my rotating drives. I only have the FAT32 partition as I may move SSD to a new UEFI system and it will convert that to the efi partition.

    Code:
    fred@fred-Precise:~$ sudo parted /dev/sdd unit s print
    [sudo] password for fred: 
    Model: ATA SSD G2 series 64 (scsi)
    Disk /dev/sdd: 117231408s
    Sector size (logical/physical): 512B/512B
    Partition Table: gpt
    
    Number  Start      End         Size       File system  Name     Flags
     1      2048s      616447s     614400s    fat32                 boot
     2      616448s    618495s     2048s                            bios_grub
     3      618496s    58925055s   58306560s  ext4         Precise
     4      58925056s  117229743s  58304688s  ext4         Quantal
    Code:
    fred@fred-Precise:~$ df -H
    df: `/root/.gvfs': Permission denied
    Filesystem      Size  Used Avail Use% Mounted on
    /dev/sdd3        30G  9.2G   19G  33% /
    udev            2.1G  4.1k  2.1G   1% /dev
    tmpfs           830M  1.1M  829M   1% /run
    none            5.3M     0  5.3M   0% /run/lock
    none            2.1G  132k  2.1G   1% /run/shm
    /dev/sdc2       107G   35G   73G  32% /mnt/shared
    /dev/sdc6       104G   47G   52G  48% /mnt/data
    /dev/sdd4        30G  4.7G   24G  17% /media/Quantal
    For info on UEFI boot install & repair:
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to close thread when/if answered completely.




  6. #6
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    Re: SSD as boot drive

    Thanks a bunch guys =) really helped a lot. I knew it couldn't be much, I mean Hell Ubuntu can boot from a USB it can damn sure boot from 80GB but I wanted to be sure. Semi-related, if anyone knows much about raid some help would be nice it I have a few questions if you'd rather it be private.

  7. #7
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    Re: SSD as boot drive

    Best to start a separate thread in the server area. They know RAID a lot more.
    For info on UEFI boot install & repair:
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to close thread when/if answered completely.




  8. #8
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    Re: SSD as boot drive

    Will do. I checked out some SSDs earlier and a 128 is only a little more than an 80 price wise so I'm gonna go with that and maybe keep some important things on it.

  9. #9
    ahallubuntu is offline Chocolate-Covered Ubuntu Beans
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    Re: SSD as boot drive

    You might start a new thread about RAID. I did a software RAID once a few years ago with an old version of Ubuntu. I got in trouble because I didn't know much about the Linux filesystem yet, and when I needed to run e2fsck, I kind of corrupted the array. Maybe things are better now, but you should probably be more careful than I was...

    I don't use RAID anymore. At best it protects you from hard drive failure but it can't protect you from file system corruption, accidental deletion, etc. So you still need to make regular backups. If you do those plus S.M.A.R.T monitoring, you are probably OK without RAID unless you have a mission-critical business or are just super paranoid about any potential data loss.

    Unless you mean RAID to improve performance?

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