Questions tagged [storage]

Primarily questions about disk storage, sometimes questions about application storage or cloud storage. Always questions about storing data.

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17 views

HP ProLiant DL380 G7 (P410i) compatible drives

I have recently been looking to do an upgrade on my server recently by upgrading to using SSDs (2.5 inch). I have done a lot of late night googling and have found that many drives have an issue with ...
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1answer
26 views

What kind of operating system SAN device can have?

Ciao, I don't understand does SAN device have an operating system? I know it is connected to servers in data center by san switch and it provides data drives to the servers but how the server ...
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13 views

Unisphere dynamic pools. Does this mean I can lose more than 1 disk with a raid 5 configuration and 20 drives or how are spare space extents treated?

So emc has implemented dynamic pools which do away with hot spares and instead uses some drive extents as spare space on each drive. When a drive fails, the contents are copied into this spare space (...
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18 views

Can SAS expanders from the same HBA/RAID card be cross-linked?

I am building a 24-drive storage server using an existing 8-port SAS RAID controller and a chassis with passive backplanes, which means I need expanders. Currently I am using the HP 36-port expander ...
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1answer
86 views

MegaRAID: performance difference between volumes

I have a MegaRAID SAS 9361-8i with 2x 240GB SATA 6Gbps SSD in RAID1, 4x 10TB SAS 12Gbps HDD in RAID6 and 4x 480GB SATA 6 Gbps SSD in RAID5: -------------------------------------------------------------...
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3answers
74 views

Best solution to connect 11 3.5" SATA disks (HDD) to Linux in term of hardware

I would like to connect 11 SATA 3.5" (majors 4TB some 3TB) HDD to the same processing unit (same Linux system). I plan to use debian on amd64. Use would be a cloud storage server. I didn't find ...
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2answers
85 views

Windows Server 2019 DataCenter: adding disks to the Storage Pool (with mirror accelerated parity) doesn't increase storage space?

(old title: Storage Spaces on stand-alone Windows Server 2019 Datacenter: what are my options with 2x SSD and 4x HDD?) I have 2x 1.75TB SSD + 4x 3.64TB HDD. I thought to use Storage Tier but I am ...
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2answers
23 views

How do the filepaths work for websites with multiple storage drivers/servers?

So I am developing this site on my localhost and currently when I 'upload' a file, I have set the file to be stored in an uploads folder, with sub-folders being generated consisting of the first 2 ...
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44 views

RAID 5 - Data corrupted after drive failure?

I have a workstation that uses an adaptec RAID 71605 controller with 4x8TB WD drives in a RAID5 config. One of these drives failed, and after replacing it and rebuilding the RAID, a lot of the data ...
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17 views

Btrfs - do I need to run balance operations frequently?

There seem to be reported issues of btrfs users in the past running into underutilized disk space issues if they did not run balance operations frequently to compact chunks and potentially change the ...
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17 views

Azure - File Sharing using HTTPS

I need to be able to share large files via HTTPS from Azure. The idea is anyone with the URL should be able to download the content. The file size with vary between 1-5GB. During my research, I came ...
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1answer
15 views

Disable download for a specific file for a file share storage

ML Studio initialises with a blob and a file share storage. Where the file storage will be used for notebooks. My client would like the download option disabled to for the dataset that was uploaded to ...
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4answers
984 views

RAID level and filesystem for a large storage server

This has been asked a million times but every time the answer is subject to "it depends on your requirements" condition, so I cannot extract a general guideline to apply to my case. So I ask ...
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1answer
50 views

C drive shows as full, despite not being full [closed]

Specs: Win10 Pro 1x 256gb HDD 1x 1tb HDD I have an issue on this particular machine where the C drive becomes full and says there are 0 bytes free. Deleting programs or files does nothing to change ...
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27 views

Load custom log files from storage account to Log Analytics Workspace

We have a script for an application that runs daily. This script generates custom logs. We store the logs in blob storage of storage account. Now I want to load the log files from my Log Analytics ...
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0answers
20 views

How are Prometheus Snapshots stored on disk?

I am trying to understand how to scale my Prometheus and look at the storage mechanic for this. Lets assume the following: Prometheus data storage Directory: 20GB in size Snapshots amount: 3 Snapshot ...
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15 views

What is the function of an identity pool with respect to storage?

I'm reading about identity pools in Dell's OpenManage Enterprise and it seems largely the same as the references in other storage material I've seen. I've had trouble finding more conceptual ...
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29 views

Heavy network usage withg GlusterFS FUSE client

I have a simple GlusterFS 7.2 setup with 3 servers: data1 and data2 contribute several bricks (4 each) to a distributed replicated GlusterFS volume. host1 uses the GlusterFS FUSE client to mount the ...
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23 views

Fastest way to import files in Spark?

I’m playing around with Spark 3.0.1 and I’m really impressed by the performance with Spark SQL on GB of data. I’m trying to understand what’s the best way to import multiple JSON files in the Spark ...
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1answer
39 views

Why the VHD file for OS Disk of a virtual machine is not in Azure Blob container

I tested with creating a resource group, a storage account (Standard and Premium in seperate tests) and a Ubuntu VM, and then used Microsoft Azure Storage Explorer to locate the VHD file. From various ...
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61 views

Unable to Delete Storage Account in Azure

Trying to delete this storage account keeps returning: Failed to delete storage account 'mystorage'. Error: An operation is currently performing on this storage account that requires exclusive access. ...
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38 views

Any Open Source Linux Distributed Storage Options Which be Deployed inside Rented KVM VPSes Without Additional Virtual Disks?

I am trying to figure out a scalable and HA solution for storing live data under production workloads like DBs, web contents, etc.. Which can be installed and setup on standard rented Linux KVM VPSes. ...
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1answer
42 views

Openstack Using Ceph Erasure Code Pool

I tried configuring openstack with ceph pool erasure code backend I'm trying to using —data-pool on ceph.conf using rbd default data pool like the following blog https://themeanti.me/technology/2018/...
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28 views

Migrate Files Server to Azure Files server using AD authentication without using Windows Server

I need to migrate a client to the cloud and i intend to shut down the company's on-premises server forever. For that I need to migrate the files and maintain the authenticity at the AD user level, but ...
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1answer
54 views

I have two mirrored 12 TB drives in my 4-bay FreeNAS. Can I add another mirror and stripe both?

I have one 12 TB mirror (2*12 TB) in my 4-bay FreeNAS. The pool is full, how would I expand the capacity? Can I add another mirror and stripe both to get 24 TB of total storage? (or would that erase ...
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2answers
184 views

DL380 G10 - P816 controller - Extending LD produces error about max size, even though there is more space in the Array

Array A on this DL380 G10 consists of 9 1.9TB drives in a RAID 5 config. It reports unused space of 619995 MB. There are two logical drives, LD 1 with 13.55 TB (14,000,000 MB), and LD 3 with 97.66 GB (...
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12 views

Debian 10.6 “ceph-deploy” command missing

When trying to implement ceph server, I try to use command "ceph-deploy" to implement ceph server. But it seems that the ceph-deploy command or ceph-deploy package is unavailable for debian ...
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22 views

NFS NAS disc space only being given to one sub-directory

I am having a problaem with the disc space on my 3TB NAS seeming to be split between sub-directories outside my control. No quotas have been set, and when they fill up the errors are not "quota ...
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38 views

Choose best raid for SAN storage

guys I have one san storage with 30 8TB hard drive and I want to use it as storage for old video of our site, those videos are for peoples who uploaded them on our site by the way our site is like ...
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1answer
87 views

How I can create LVM VDO volume on top of LVM RAID?

Im using LVM to setup my lower level storage with raid5 via lvcreate --type raid5 --size 2T -I 256K -i 3 -n my_lv my_vg Now I want to setup VDO on the top of this using LVM too. Im aware of this man ...
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56 views

drbdmeta 0 v08 /dev/vdc internal create-md' terminated with exit code 20

I am getting below error in drbd create, though my one server only having issue other server with same partationm name configured properly. [root@xxxxxx drbd.d]# drbdadm create-md filerun read from ...
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2answers
45 views

EBS Storage was upgraded in the AWS console but not in ec2 ssh

My EBS storage volume for EC2 instance was nearly full then I tried to upgrade from 50gb to 70gb. The upgrade process take a long time, I didn't check how many minute/hours but after some days I see ...
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30 views

Best Practice: Ansys FEA Output Data Storage

I'm trying to make this as least subjective as possible by providing finite inputs and parameters. I truly want to know what is the most resource affective, given the constraints. Given my available ...
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2answers
103 views

Storage space usage with thick provisioned disks

We are using VMware vSphere and NetApp and are trying to troubleshoot some mind-melting space problems. Part of this problem is two colleagues disagreeing on how thick provisioned disks relate to used ...
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35 views

Getting runtime exceptions as 'Microsoft.WindowsAzure.Storage.StorageException' in Microsoft.WindowsAzure.Storage.dll

I am using dotnet version 4.6.1. My code is accepting data from Azure Event Hub. The code was working fine and it was receiving data from event hub but now I am getting multiple exceptions related to ...
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27 views

Dedicated iSCSI targets and shared IP addresses

There is a requirement in the documentation to have a dedicated iSCSI target for the management data domain on oVIRT (and OLVM - which is essentially a rebranded oVIRT) https://www.ovirt.org/...
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1answer
75 views

Cannot see the right and used space on a ZFS dataset

I have set up a vm with debian buster and ZFS. Initially the machine booted from first hard drive, but added x4 20Gb hd and transfered the system to zfs for testing purposes. It works, so I added some ...
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1answer
202 views

Looking for a NBD C/S for windows (Network Block Device) [closed]

Where can I find a NBD Server (and also a Client) that I can use in windows 10? (preferably FOSS source code for inspect/change/compile/...) Been looking for a while on the internet and seems that no ...
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1answer
22 views

Synology Expansion box not visible to Rackstation

We have two Synology Rackstation RS2418RP+'s and for a separate project we needed to add some more disk to them. We purchased a pair of RX1217RP's as according to Synology these are compatible. I ...
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23 views

Missing vdev in zpool?

I hadn't touched my home storage server for a year or two. I don't 100% remember what I did at the time. Now looking to expand. I remember that I added a second, 2 device mirror vdev to the zpool, but ...
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2answers
76 views

Storage Spaces Direct and Virtualization Architecture

I'm trying to figure out the best way to architect a 2 node fail over cluster with the Hyper V role installed. I can really use some input and suggestions from others who have already been down this ...
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0answers
29 views

Move rarely used files to another storage location (with nextcloud)

Lets say there is a NextCloud instance, that stores data on the local filesystem. Though the software is not that important, as I would like to implement it on OS level, to have the best performance. ...
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18 views

How to set up a distributed filesystem in a mixed network?

Well, having lots of practically unused partitions on PCs throughout my network made me try to come up with ways to make all this storage capacity usable. On a Linux only network I'd probably have a ...
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1answer
75 views

How safe is to disable write-cache buffer flushing

I found an issue with HDD disk write speed on Hyper-V guest servers when this option is unchecked. I know the advantage is the speed when this option is checked, but what is the disadvantages? The HDD ...
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13 views

How to check the IP's downloading files in Google Cloud Storage (public files)

I've created this storage with some public .zip files. How could I check a log with the IP's of the connected PC's ?
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0answers
34 views

How to get my HPE 3PAR Raid Configuration info from Management consol

I am working on HPE 3PAR Storage system. Now I need to know my RAID configuration information. I can't find it into the management consol. can anybody help me to figure out? how can I identify my ...
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1answer
95 views

Migrating Mail Data beetween Datacenters - Looking for Ideas

We already managed to migrate Hyper-V VMs (more than 70 TiB) by 3rd Party Backup Softwares with 10 minutes downtimes. However there is that one dirty job to handle; 4 TiB of Mail Data which ...
2
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1answer
72 views

Fastest way to tranfer data over the network between two servers

I have two storage servers at home - one is my workstation, which has a pair of 3TB disks in RAID1. At first, I stored all of my data there. Recently, I received a small SBC with four 1TB disks. I set ...
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1answer
132 views

Cannot activate Logical Volume which was managed by Pacemaker

I have two CentOS 7 servers that clustered with Corosync and Pacemaker to work in Active/Passive way. The whole idea was to move the mount point in case of a problem emerges in the active node. My ...
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148 views

Windows Server 2019 Get-Partition and 'IFS' partition type

What is the 'IFS' partition type which sometimes reported by Get-Partition? Specifically how is it related to MBR and GPT? I haven't been able to find much documentation either through Google or ...

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