Unix and Linux Stack Exchange
Unix and Linux Stack Exchange

Questions tagged [ssd-hdd-hybrid]

20 questions
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1 answer

Using LVMCache or BCache for Hot-Warm-Cold Caching

I've recently reconfigured my current debian machine with three different drives: An SLC SSD, a QLC SSD, and a 4TB HDD. I've been toying around with lvmcache and other utilities, and I wanted to know if it was possible to create a multi-tier caching…
Swivel
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1 answer

Can I get SSD rw performance while keeing data security if I combine SSD & HDD in btrfs RAID1

I have 2 storage devices; classical slow HDD (750GB, /dev/sda) and faster SSD (128GB, /dev/sdb). Currently I have installed Ubuntu & Mint on same btrfs partition on SSD (/dev/sdb5). My btrfs pool consists of /dev/sdb5. What I want to achieve is data…
nmiculinic
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4
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1 answer

How to check if a disk is SSHD (hybrid drive) using ATA commands

Having looked at this question: (How to know if a disk is an SSD or an HDD) I am able to detect HDD and SSD. The problem now is that I don't know how to detect SSHD, since the hdparm tool shows that my disk (ST1000DX001) is a classic HDD. Am I…
Peter Cerba
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3
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3 answers

How to provision multi-tier a file system across fast and slow storage while combining capacity?

I'm hunting for a way to utilise a slow 500GB magnetic HDD alongside a fast 500GB SSD. I'd like to end up with a reasonable fraction of the two combined [hopefully > 800GB] in terms of capacity, but deciding which files should live on which disk is…
Philip Couling
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Is it possible to assign/limit a BTRFS subvolume to a particular device, and if so how?

My root (BTRFS) filesystem is on a small SSD, and /var is on a larger, slower, separately formatted (also with BTRFS) HDD. This works well, but I can't use CoW when copying files between the two devices and snapshotting my system requires creating…
ATLief
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Hybrid RAID (SDD+HDD) gives unexpected results

I am doing some experiments with hybrid RAID in Linux. My test consists of the following: 2x256GB SSD in RAID 0 (/dev/md1) 2x256GB HDD in RAID 0 (/dev/md2) Then I made md1 and md2 into a RAID 1 (/dev/md127) and marking the slow HDD (md2) as…
Daniele Testa
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1 answer

Use SSD for caching files from HDD

I don't have a name for this so I'll present my special user case: I have an hybrid-laptop made of a tablet slate of only 32GB SSD and a 500GB HDD build into the USB keyboard-dock and I want to make a better use of that HDD without having it…
Cody
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2 answers

Did this drive die?

I am having issues with Seagate Laptop SSHD 1TB, PN: ST1000LM014-1EJ164-SSHD-8GB. dmesg | grep ata1: says this: [ 1.197516] ata1: SATA max UDMA/133 abar m2048@0xf7d36000 port 0xf7d36100 irq 31 [ 6.548436] ata1: link is slow to respond, please…
Vlastimil Burián
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Use SSDs as persistent buffer for HDDs to decrease power usage

similar questions have been asked multiple times ... How to use an SSD for caching, so my hard disks can spin down? Caching write changes on SSD to avoid HDD spin-up? ZFS, but (probably) not…
Max Beikirch
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Dual Boot Dell Inspiron 7577 Windows SSD and Linux HDD

I just finally bought a laptop and I am motivated to learn working on linux. The laptop is a Dell Inspiron 7577 that came with two hard disks: C: PCIe NVMe M.2 SSD 256GB on which is installed windows 10 D: HDD 1000GB "Healthy (Primary…
Seymour
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2 answers

Is it possible to manually manage a Solid State Hybrid Drive?

I'm about to buy a new laptop which has a SSHD. It stands for Solid State Hybrid Drive, which means it has a big, regular HDD with a small, usually 8GB SSD to cache frequently accessed files. Now since I'm a Linux user and I want pure SSD speed, so…
Semmu
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Disk setup on laptop with regular HDD plus SDD

This is going to be a question about your opinions on setting up a new laptop with both a regular 1TB HDD and a 250G SSD. Let's suppose that... /dev/sda = 1,000 GB HDD (931 TiB) /dev/sdb = 250 GB SSD (232 TiB) It is my understanding that many…
Ev-
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What is causing Mint 18.1 "grub-efi-amd64-signed failed to install into /target/" and following installation failure?

The SSD is set to ACHI (whatever it is, it was automatically set). Secure boot is set to Other OS (only other choice). Linux only. No Windows. Hate Windows. No dual boot. Microsoft hasn't touched my computer in years. Windows can suck it. I…
Lorax
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SSHD cloning - something special to keep in mind, compared to HDD?

The question is whether the fact the device is a hybrid disk has any (and what) importance when using dd or other such tools, or if all operations run the same as for a HDD. The context The device in question is a Seagate ST1000LM014. I used this…
kaay
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Change Linux Bcache device type

I have accidentally configured my SSD as a backing device instead of a caching device. Simply trying either one of the following: sudo make-bcache -C /dev/sdb1 sudo make-bcache -C /dev/sdb Gives the errors: Can't open dev /dev/sdb1: Device or…
Gerharddc
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