RAID 0 to RAID 1

[Freesnofla]

Hello,
just recognized that I have RAID 0 running but it might be better if I run RAID 1. Is that what I'm able to change or do I have to do the installation from the scratch?

I do have 2 hard disk (2TB each) installed. If I understand the RAID 1 correct then I will go down to 1 TB? On the other hand I will get a better and more secure system. I know that I also have to do a Backup. How are the experiences with crash plan, if anyone of you out there running that tool?

regards
freesnofla

 

[pirateghost]

2-2tb disks in a raid1 will yield 2tb of space vs 4tb of space in raid 0

You cannot convert your raid0 to a raid1 without wiping it and starting over on the data disks

This does not mean you have to reinstall FreeNAS

Sent from my Nexus 5

 

[Freesnofla]

It might sound strange but I didn't use FreeNas for several month and I was just checking my active Volumes. Here I can see RAID1 on top level but I'm not sure if I did the naming manually. Is there any chance where I can see that it's a RAID1?

 

[cyberjock]

zpool status will show you your pools topographical layout.

 

[Freesnofla]

Where should I find ZPOOL is that one under "Active Volumes"?

 

[Yatti420]

Cyberjock means "zpool status" in shell

Code:

pool: GREENMIRROR
state: ONLINE
  scan: scrub repaired 0 in 1h52m with 0 errors on Sun Feb  9 22:36:15 2014
config:
 
        NAME                                            STATE    READ WRITE CKSUM
        GREENMIRROR                                    ONLINE      0    0    0
          mirror-0                                      ONLINE      0    0    0
            gptid/9d1a1ac0-ffb4-11e1-a826-902b346552f2  ONLINE      0    0    0
            gptid/9d72ccaf-ffb4-11e1-a826-902b346552f2  ONLINE      0    0    0
 
errors: No known data errors

 

[Freesnofla]

Well then I should have RAID1 if I read the below output correct?

Code:

status                                                 
  pool: RAID1                                                                 
state: ONLINE                                                                 
status: Some supported features are not enabled on the pool. The pool can     
        still be used, but some features are unavailable.                     
action: Enable all features using 'zpool upgrade'. Once this is done,         
        the pool may no longer be accessible by software that does not support 
        the features. See zpool-features(7) for details.                       
  scan: scrub repaired 0 in 0h30m with 0 errors on Sun Feb 23 00:30:36 2014   
config:                                                                       
                                                                               
        NAME                                            STATE    READ WRITE CKS
UM                                                                             
        RAID1                                          ONLINE      0    0   
0                                                                             
          mirror-0                                      ONLINE      0    0   
0                                                                             
            gptid/6fc44b81-4320-11e3-8b37-1c6f65afddc2  ONLINE      0    0   
0                                                                             
            gptid/70206428-4320-11e3-8b37-1c6f65afddc2  ONLINE      0    0   
0                                                                             
                                                                               
errors: No known data errors                                                   
[root@freenas ~]#                                                             

 

[cyberjock]

Yep. Sure do.

 

[Freesnofla]

Thanks, then I don't need any action on my FreeNas concerning the RAID1 solution. Coming to the status I see some hints, is that something I have to take care about?

Code:

status: Some supported features are not enabled on the pool. The pool can   
        still be used, but some features are unavailable.                   
action: Enable all features using 'zpool upgrade'. Once this is done,       
        the pool may no longer be accessible by software that does not support
        the features. See zpool-features(7) for details.            

 

[cyberjock]

Nope. zpool upgrade is a manual choice you have to make. Please search the forums as I wrote a 45 minute lecture on this topic in the last week.