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Forum Discussion
Is there any way to set up a software RAID..? Please help.
Hi, I think I may be asking the impossible but I wanted to double check before I try swapping my hardware etc as I've spent a lot of wasted time messing about trying to set it all up. Is there a wa...
The flash memory that contains the "master" copy of the OS (at least on the sparc based units) is very small. I believe it is around 256MB.
As a result, a lot of packages/files that are a part of a standard linux distribution are not included because they are not necessary as it is expected everything will be managed through their web interface. So you can't properly make any assumptions that certain commands/libraries will be there unless you have a live system to verify what is included.
Also, a lot of packages are modified to make them smaller than usual (for example, there is no man pages). It is possible that you can change the apt repository to point to a debian mirror and download newer version of packages (such as it is, because the readynas [at least on sparc] is based on sarge where package updates have long been discontinued) but there is risk that you will download a package that can break compatibility.
I specifically remember reading postings where people who upgraded enough packages and it effectively bricked their unit (stopped booting). I can't remember off the top of my head, but I thought there was a few config files that are in non-standard locations.
I know the RAIDX is a combination of LVM and hardware raid. I have plugged in a readynas drive into a standard linux box and was able to mount the OS partition (which is a small RAID1 partition that is mirrored across all disks). I can't remember whether I was able to read the main dataset or not.
-I wasn't aware you could split a partition across two drives that way (JBOD style) using LVM. You might be able to make it work, but I would careful about mixing up the built-in stuff (although you could mitigate the risk by trying it out before populating any data).
As a result, a lot of packages/files that are a part of a standard linux distribution are not included because they are not necessary as it is expected everything will be managed through their web interface. So you can't properly make any assumptions that certain commands/libraries will be there unless you have a live system to verify what is included.
Also, a lot of packages are modified to make them smaller than usual (for example, there is no man pages). It is possible that you can change the apt repository to point to a debian mirror and download newer version of packages (such as it is, because the readynas [at least on sparc] is based on sarge where package updates have long been discontinued) but there is risk that you will download a package that can break compatibility.
I specifically remember reading postings where people who upgraded enough packages and it effectively bricked their unit (stopped booting). I can't remember off the top of my head, but I thought there was a few config files that are in non-standard locations.
I know the RAIDX is a combination of LVM and hardware raid. I have plugged in a readynas drive into a standard linux box and was able to mount the OS partition (which is a small RAID1 partition that is mirrored across all disks). I can't remember whether I was able to read the main dataset or not.
-I wasn't aware you could split a partition across two drives that way (JBOD style) using LVM. You might be able to make it work, but I would careful about mixing up the built-in stuff (although you could mitigate the risk by trying it out before populating any data).
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