Tag Archives: ZFS

Booting FreeBSD from GZIP-compressed ZFS root volume – done

Posted on 10.06.2022 by mezzantrop

I’m proud to announce, yesterday my changes were committed to the kernel part of the FreeBSD OS source code: sys/cddl/boot/zfs, so in addition to all the possible algorithms (including ZSTD), GZIP is now supported by FreeBSD on compressed ZFS root … Continue reading →

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Booting FreeBSD from GZIP-compressed ZFS root volume

Posted on 22.01.2022 by mezzantrop

Guys, look, I have finally come up with something that can be interesting not just for me, but for a few more people around the world. Earlier playing with my Linux to FreeBSD upgrade script, I faced an issue of … Continue reading →

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RAIDZ on-disk format vs. small blocks

Posted on 15.10.2020 by mezzantrop

Possible ZFS performance problems with small blocks, block alignment and much more explained by Mike Gerdts.

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First sketches of the new BeaST Grid family storage system

Posted on 28.05.2017 by mezzantrop

“The BeaST Grid” is a work name of the reliable storage cluster concept. It will consist of a few Controller Nodes with optional internal drives and several Drive only Nodes. All nodes are commodity computers with internal drives. Controller Nodes will … Continue reading →

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The BeaST storage system with ZFS and CTL HA, latest news

Posted on 23.05.2017 by mezzantrop

Finally, I did it! The BeaST storage system with ZFS and CTL HA works in ALUA mode with zpools balanced over controllers. The BeaST Quorum automates Failover/Failback operations. Yes, I have something to say now: Read the full description on … Continue reading →

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Fighting with ZFS to make zpools failover/failback possible

Posted on 12.05.2017 by mezzantrop

After success with single zpool switching, I’m trying now to create a reliable and balanced construction with two controllers and two pools. When one of the controllers is dead, its pool successfully migrates to the other controller. But when the … Continue reading →

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Fresh BSD Magazine with my article as a headline!

Posted on 30.04.2017 by mezzantrop

Boasting now as the fresh BSD Magazine puts my paper “Nearly Online Zpool Switching Between Two FreeBSD Machines” on top of the issue’s cover. My text is about problems of ZFS storage pool sharing between computers and solutions of overcoming these obstacles. To … Continue reading →

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The BeaST Classic with RAID arrays and CTL HA + the BeaST Quorum

Posted on 07.04.2017 by mezzantrop

I have just uploaded the guide for the BeaST Classic in the confuguration with RAID arrays and CTL HA + the BeaST Quorum, so now we have complete documentation for the RAID part of the BeaST Classic. The BeaST with … Continue reading →

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The BeaST storage is one year old

Posted on 01.04.2017 by mezzantrop

A year has passed since I got early results with the BeaST storage system concept. The first public announce was made on 2016.04.22 and the full paper was published a week after. Thanks to the BSD Magazine for republishing all my papers and for … Continue reading →

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ZFS internals by Leal

Posted on 29.09.2016 by mezzantrop

These ten wonderful posts from Leal’s blog will teach you how to deal with not only ZFS internals 🙂 Thanks to Stoyan Stoyanov for pointing it to me.

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