zfs

  1. U

    ZFS ZFS compression with email

    Anyone else storing email on ZFS using lz4 compression? I have a couple of mail servers and seem to find that compression ratios are fairly low when using default ZFS settings (apart from enabling compression). One server is using 415GB of space and has a 1.25x compression ratio (so...
  2. P

    ZFS RAID mirror, how to test that it functions properly.

    I have FreeBSD version 10.3-RELEASE-p4(kernel) and 10.3-RELEASE-p5 (userland). I did setup Mirror RAID with two disks during installation. Now I wand to make sure that the mirror is functioning properly. This is what I’ve tried. graid status prints no results. Next, I made sure disks are seen...
  3. Petr Fischer

    Solved How to mount FreeBSD 12 GELI encrypted ZFS root manually?

    Hello! I have FreeBSD 12 installation with GELI encrypted ZFS root partition (created automatically from the installer). But now, my HW died and I need to import and mount the root filesystem as external disk. How can I mount this GELI encrypted ZFS root partition manually please? Note: In the...
  4. Harun

    ZFS NFS export: netcred already exists for given addr/mask

    Hello! I have several resources defined in variables "sharenfs". >zfs list space/backup/openstack 363M 15,0T 363M /space/backup/openstack space/voip 3,78T 15,0T 176K /space/voip space/voip/smg...
  5. G

    Change /etc/zfs/exports path to custom

    Hello, I'm trying to combine NFS with ZFS. Everything works fine but for my application I have to change /etc/zfs/exports path to custom one. Is it possible? Best regards, Patryk
  6. Martin Garcia

    ZFS How do I shrink or extend my ZFS filesystem?

    Hello, I have some FreeBSDs running as vm over KVM/QEMU QCOW2 Hypervisor. They are running great. However I would like to reduce or extend my ZFS (virtual) disk. I know how to extend it with XFS and using GPARTED and LVM. But have no idea howto on ZFS How can I achieve this? Thanks for your...
  7. M

    ZFS problem, need help recovering

    Hi All, Really hope someone can help me here. FreeBSD 12.0-RELEASE r341666 GENERIC amd64 I've got a 4TB WD sata drive in the machine. At the time the problem occurred I was copying files onto the drive so it was busy. The disk is /dev/ada0. There are other zfs on the server but they are fine...
  8. parski

    ZFS Pool migration issue

    I used to have four drives in a USB DAS configured as a JBOD enclosure. It was managed as a ZFS pool in FreeNAS and served me well until I felt the itch of approaching what my storage paranoid gut felt was "full" storage. My USB DAS didn't have the capacity to hold more drives so I had to invest...
  9. R

    Issues with file operations or why is vi slower than dd?

    I have a FreeNAS Mini running with a jail for Nextcloud. While moving my files from Dropbox to the Nextcloud instance, I realized that there are many fastcgi timeouts happening. In order to investigate the cause, I observed a strange behavior which I don't really understand but my hope is that...
  10. L

    Solved Help converting a ZFS-based FreeBSD installation to a UFS image for virtualization

    Hello, I have a physical FreeBSD server I installed using ZFS on root. To ease maintenance I'd like to move it into a virtual machine (VMware ESXi), but since virtualizing ZFS is not recommended, I would like to convert it to UFS. Here's my plan so far, can anyone confirm whether I am on the...
  11. RedPhoenix

    ZFS How Do I Use ZFS On My Server?

    So I'm reading about ZFS on the FreeBSD ZFS quick-start guide, and I'm stuck at this part: when I attempt to use a device (/dev/da0), it throws an error and the device dissapears until I reboot. :\ Specifically, this: zpool create example/ dev/da0, and throws the error: cannot open '/dev/da0'...
  12. 0

    swap size on ZFS with high amount of RAM

    Hi! I'm doing my first install of FreeBSD and really looking forward to getting started with FreeBSD. I've recently purchase a copy of 'Absolute FreeBSD' and I'm working my way through the chapters. While I've previously used FreeBSD inside VirtualBox, this time I'm doing my first physcial...
  13. O

    ZFS ZFS & HAST with different disk configurations?

    I've got two servers, which for ease of communication we'll call primary and secondary. Currently they're both running ZFS on root, and syncing often via zfs send/recv. However, I'd like to convert over to HAST, for faster failover and to avoid rolling back however many minutes its been since...
  14. mg16373

    ZFS zfs - Filesystem-Migration - That's right?

    I'm not a newbie on ZFS but I have never used before a RAIDZ2 pool. Now I have migrated two VMs to another host. The capacity on the destination pool has grown by the factor of two :eek: I know that a RAIDZ2 setup needs more capacity but the output of "zfs list" is a little bit curious. I hope...
  15. goshanecr

    Right way to migrate 11.1 r326098 to 11.2 r348355 with zroot on geli

    Good day! I have a box with FreeBSD 11.1-STABLE r326098 amd64. It have a ZFS root on GELI encrypted providers: zpool status pool: bootpool state: ONLINE scan: none requested config: NAME STATE READ WRITE CKSUM bootpool ONLINE 0 0 0...
  16. patpro

    Solved 2.5" HDD, what's the best choice?

    Hello, I'm contemplating the idea of a replacement for my currently hosted 1U server. This server holds 4x 3.5" HDD and 1x 2.5" SSD, with this topology: - first zpool ZRAID1 mirror 2x 1To + SSD L2ARC - second zpool ZRAID1 mirror 2x 2To My ideal next server would have 8x 2.5" SATA slots, and 1x...
  17. dave

    ZFS System Unresponsive During ZFS Resilvering?

    Hello, I have a physical machine that runs a ZFS pool of six drives. After one drive developed SMART warnings, I removed it, replaced it with a larger drive, and then ran the zpool replace command to resilver the pool. As the resilvering started, I noted that it was going pretty slow. There...
  18. Zamana

    Solved Recursively sharing ZFS datasets with CIFS

    Hi! The closest I got to the question I have was this thread, from a year and a half ago... Consider this ZFS dataset structure: /storage/data/a /storage/data/b /storage/data/c I would like to tell to CIFS to share /storage/data, but this doesn't work. You need to share /storage/data/a, b...
  19. T

    ZFS ZFS scrub stalling - Windows VM with SQL server misbehaves

    Hi, I am running a FreeBSD 12.0 server with a few VMs. One of them is a Windows Server 2016 which homes a few software and an SQL database. The VMs all have a ZVOL assigned. If I start scrubbing the pool, first the scrubbing is really slow and if running sufficiently long will stall. The...
  20. NapoleonWils0n

    zfs on Freebsd, Linux and Mac any tips

    My Synology ds112j nas which i used to share files between Freebsd, Linux and Mac osx just died on me I have a 2 terabyte backup of the nas on an external drive which is formatted as Linux ext4 which is the filesystem used by the synology nas So i need to copy the backup to an external usb...
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