pinkfloyd9193 Posted March 31, 2016 Share Posted March 31, 2016 I just had one of my data drives crap out on me and was hoping to get some advice on what to do next. My current setup is 6 2TB drives and a 3TB Cache drive. One of the 2TB data drives died and I'm looking into getting 2 4TB to replace most of what I have. With a dead drive in the array will I be able to swap the existing parity drive for a 4TB without losing data from the dead drive? I really don't want to buy another 2TB drive if I'm looking to replace them with higher capacity drives. Not if I can help it anyway. I've been out of the loop on the UnRaid scene for a while now and will need to brush up on my knowledge. In the meantime I would really appreciate whatever help/advice anybody can give. Thanks guys! edit: Sorry I guess it's worth mentioning that I'm currently running unRaid version 5.0 beta 14 Quote Link to comment
trurl Posted March 31, 2016 Share Posted March 31, 2016 I'll never understand why people run very old betas. What exactly do you mean by "crap out"? Search for swap disable. See search tips in my sig. It's also in the wiki. Quote Link to comment
pinkfloyd9193 Posted March 31, 2016 Author Share Posted March 31, 2016 When I said I've been out of the loop on the UnRaid scene, I meant I haven't kept up with anything including the actual OS updates. Which is why I'm still running an old OS. Crap out meaning the drive is dead. I found my answer in the wiki as you mentioned with swap-disable, thanks a lot for the help! Edit: Hrm, unfortunately it doesn't seem to want to work. I followed the instructions in the wiki but it doesn't like me swapping my cache drive to the Parity drive. Do I need to reformat/clear the Cache drive before I can swap it? attaching screenshot below http://postimg.org/image/vhbw1j7ot/full/ Quote Link to comment
BobPhoenix Posted March 31, 2016 Share Posted March 31, 2016 Looks to me like all you have to do is select "Yes I want to do this" on the Copy line and then press the enabled "Copy" button. It will start the swap disable procedure when you press the "Copy" button. I've never done that myself because I always put in a NEW disk and rebuild with the existing parity drive. You might wait for trurl to confirm above however. Quote Link to comment
pinkfloyd9193 Posted March 31, 2016 Author Share Posted March 31, 2016 Yep I tried that but it doesn't start the actual copying. I'm thinking it's because it's not a brand new drive and the cache still has some folders on it. Quote Link to comment
BobPhoenix Posted March 31, 2016 Share Posted March 31, 2016 Yep I tried that but it doesn't start the actual copying. I'm thinking it's because it's not a brand new drive and the cache still has some folders on it. Hopefully trurl or someone else can advise you further. Edit: Actually maybe clicking on the log button at the top and then try the procedure again you can then see what is output to the log when you try it. If you can't figure it out from those entries someone else might. Quote Link to comment
JorgeB Posted March 31, 2016 Share Posted March 31, 2016 Yep I tried that but it doesn't start the actual copying. I'm thinking it's because it's not a brand new drive and the cache still has some folders on it. That is not an issue, disk is always overwritten. Like Bob suggested, try clicking copy and look for any info on the syslog. Quote Link to comment
pinkfloyd9193 Posted March 31, 2016 Author Share Posted March 31, 2016 I don't see anything that stands out other than: "unRaid kernel: md: disk0 wrong" That's what it shows in the screenshot as well. Doesn't seem to want me to use that drive as the Parity. I've got two new drives on the way, should be here tomorrow. Hopefully that will clear up the issue. I appreciate the help guys and I'll give a status update once I try the new drives out. If you have any other insight it would be appreciated, thanks again! Quote Link to comment
trurl Posted March 31, 2016 Share Posted March 31, 2016 It definitely shouldn't matter whether there is anything on the disk or not. Is the drive still assigned as the cache disk? Quote Link to comment
pinkfloyd9193 Posted March 31, 2016 Author Share Posted March 31, 2016 My steps are as follows: Currently the array is stopped. I unnassigned both the parity drive and the Cache drive. I assign the 3Tb cache drive as the Parity and the old Parity drive as Disk 5 (which is the drive that died on me). However, as soon as I assign the cache drive as the parity it shows up as "Wrong" under Parity and will not continue once I hit copy. I'm terrible with words, I hope this makes sense. Quote Link to comment
trurl Posted March 31, 2016 Share Posted March 31, 2016 Try starting with everything assigned back the way it was, but with the cache drive unassigned. Then try the swap disable again from the beginning. Quote Link to comment
pinkfloyd9193 Posted April 1, 2016 Author Share Posted April 1, 2016 Hi Trurl, I did as you suggested but still displaying the same issue with it showing "Wrong". Quote Link to comment
trurl Posted April 1, 2016 Share Posted April 1, 2016 Just in case I wasn't clear, I meant for you to actually start the array with everything assigned like before but without the cache drive assigned. The purpose of starting the array is to get unRAID to "forget" the cache drive. Did you actually start the array? Quote Link to comment
pinkfloyd9193 Posted April 1, 2016 Author Share Posted April 1, 2016 Trurl, That is correct. I started the array after the Cache drive was unassigned, then stopped again to try adding it as the Parity. Same results. I did it again to make sure I didn't make a mistake but made no difference. Quote Link to comment
trurl Posted April 1, 2016 Share Posted April 1, 2016 I guess you could try upgrading to latest stable v5 in case there is something wrong with that old beta you're running. Quote Link to comment
pinkfloyd9193 Posted April 1, 2016 Author Share Posted April 1, 2016 I had actually wanted to upgrade to the latest OS but figured I should wait to get the drive replaced. We'll see what happens when I get my new drives in. Quote Link to comment
JorgeB Posted April 1, 2016 Share Posted April 1, 2016 I did a quick test and parity swap definitely works on v5-beta14, though the dynamix sayings are a little different, maybe disable it and try the bare unRAID, if it works for me it should work for you. http://s28.postimg.org/8iuuh4vzh/Screenshot_2016_03_31_11_23_39.png[/img] Quote Link to comment
trurl Posted April 1, 2016 Share Posted April 1, 2016 I did a quick test and parity swap definitely works on v5-beta14, though the dynamix sayings are a little different, maybe disable it and try the bare unRAID, if it works for me it should work for you. http://s28.postimg.org/8iuuh4vzh/Screenshot_2016_03_31_11_23_39.png[/img] Wow! You got nothing better to do than run tests on old betas? Where did you even get that version? Quote Link to comment
JorgeB Posted April 1, 2016 Share Posted April 1, 2016 Wow! You got nothing better to do than run tests on old betas? Where did you even get that version? I was doing some tests with v5 for another reason and since I had that release it was an easy test. Quote Link to comment
pinkfloyd9193 Posted April 1, 2016 Author Share Posted April 1, 2016 Hey guys just wanted to give a status update. I got my new drives in today and was able to swap the dead drive with the parity and my new 4 Tb as the parity. Just hope the rebuild goes well For some reason it just didn't want me to move Cache drive to parity...anyway thank you so much for all of your help! Quote Link to comment
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