Starting a server build

Aunnix · 08-31-2012, 11:22 AM

Quote:

Originally Posted by frieza

grub.conf

Code:

kernel /vmlinuz root=UUID={uuid}

fstab

Code:

UUID={uuid}      /     ext4 defaults         1       1

recommended? that's up to you, but the use of UUIDs provide more consistency, especially if you change your hardware from time to time. Particularly with portable drives (memory cards, thumb drives, usb hard drives for instance can change from /dev/sdB to /dev/sdC to /dev/sdD from time to time, or if you have more than one they are assigned in the order in which they are plugged in, but a UUID doesn't matter what they /dev/sdX letter they are assigned, the UUID doesn't change)

Cool. I may look into this a little more a little later. My plans are to build the server box where no parts will ever need to be changed (with the exception of my 2 750GB HDDs that will be my /home on RAID when they run out of space in LONG time, lol). I don't really plan to use any of the USB ports on the server machine, because once it is situated I will move it to my basement (colder envrionment) and remote in to do everything from my everyday computer in my home office. I planned to basically load any files (from USB, phone, etc.) onto my office computer and then just upload the files to the server from there.

frieza · 08-31-2012, 11:25 AM

well another reason would be change in kernel might change how device nodes are assigned (used to be /dev/hdX for ide and /dev/sdX for scsi, now it's all just /dev/sdX, but a UUID would solve that because by nature UUID is unique to each device)

sjreilly · 09-04-2012, 10:43 AM

Quote:

Originally Posted by frieza

well another reason would be change in kernel might change how device nodes are assigned (used to be /dev/hdX for ide and /dev/sdX for scsi, now it's all just /dev/sdX, but a UUID would solve that because by nature UUID is unique to each device)

I prefer to give partitions labels rather than work with UUIDs - but that's just me.

LABEL=root / ext4 noatime,discard,errors=remount-ro 0 1
LABEL=swap none swap sw 0 0
LABEL=data /data ext4 defaults 0 2

frieza · 09-04-2012, 11:02 AM

Quote:

Originally Posted by sjreilly

I prefer to give partitions labels rather than work with UUIDs - but that's just me.

LABEL=root / ext4 noatime,discard,errors=remount-ro 0 1
LABEL=swap none swap sw 0 0
LABEL=data /data ext4 defaults 0 2

that works too, but even labels are arbitrary, especially when you re-format and re-purpose drives (i've done that a few times), then you have to remember to change the label.