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

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5
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0answers
379 views

Using ZFS head node as database server?

I'm using a dual-head ZFS-backed NAS for high availability cluster shared storage, based on Nexenta's recommended architecture as seen here: The disks in 1 JBOD will store the database files for a ...
3
votes
0answers
22 views

SAS expander or better controller?

In the past, servers I've put together have all had 8 or fewer disks, so I've not had to give the storage controller much thought - a standard controller like the P440ar (my experience is with HP) ...
3
votes
0answers
73 views

VMware ESXi and Intel DC3700 (NVMe) Poor Performance Even With Intel's Driver

I'm running VMware ESXi 6.0.0 with the Intel DC3700 800GB. My VM is running Windows 10 x64 with 8GB RAM and 4CPU Cores. The entire VM is 32GB and sits on the SSD. I'm using CrystalDiskMark at 1GiB ...
3
votes
0answers
48 views

S3 + Cloudflare vs S3 + 2 Web Server + Cloudflate

Currently, I run two websites and each site own it own big server. Currently, all of those two sites has roughly 300GB of images. Its grow rate is 15GB of images per month. I know that eventually, one ...
2
votes
0answers
58 views

Maximum size of a virtual pool in SCVMM 2012R2

I have a Windows Server 2012 R2 running SCVMM 2012 R2 and an over-committed virtual storage pool. In Server Manager the capacity of this storage pool is 128TB which translates to 140TiB which makes ...
2
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0answers
186 views

Infiniband link is at 4X SDR with DDR HCAs; has anyone seen this before?

I've recently upgraded my Infiniband HCAs from SDR to DDR, however upon upgrading, it has not improved the link speed at all. Receiving the following output from 'iblinkinfo': CA: ip-san-1-au3a ...
2
votes
0answers
323 views

Issue deleting files from a NetApp Windows Share

At work we have a NetApp Windows Share setup. I browse with Windows Explorer to a folder which contained thousands of text files. I then select multiple files at the same time and delete the files. ...
2
votes
0answers
217 views

Shrinking a volume and extending another in dynamic disk

I have a test environment where I converted a disk to dynamic, shrunk a volume, and then expanded another all on the same disk. The result is that disk management in Windows Server 2008 R2 shows two ...
2
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0answers
36 views

Prioritize files in Tiered Storage on Windows 2012 R2

I'm running Windows 2012 R2 with Tiered Storage. Is there a way to prioritize files and ensure they always are located on the faster drives? Thanks
2
votes
0answers
176 views

Partition block size different from device's and stacked LVM volumes ones

I have a pair of HP ML350 G6 servers with LSI MegaRAID 9266-4i+CacheVault driving Supermicro CSE836E16 enclosures via SAS bracket, filled with WD RE 3TB SATA drives. On these are configured a RAID10 ...
2
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0answers
101 views

Is it possible to dynamically set the upload_store value for nginx upload modue?

I have a lot of hard drives in my server and I want to upload files to them. Since it is overhead to upload a file to one drive and then move it to another, I would like to directly upload the file to ...
2
votes
0answers
368 views

How do I prevent graphite from filling up my primary disk on ubuntu in EC2?

I am running graphite (per reading this blog by Etsy) on an Ubuntu 10.10 linux install on EC2. Basically it works, except that my server is constantly exhausting reported free disk space. I say ...
2
votes
0answers
4k views

XenServer 5.5 local storage problem

I have the following problem with a Citrix XenServer 5.5. I had to physically move the host, so I shut down all machines via console: xe vm-shutdown force=true vm=my-machine-uuis-s After that I ...
1
vote
0answers
30 views

Expanding JBOD with SAS extenders

My project is expanding 24-HDD ZFS box by adding 45-drive box with option to add another 45-drive box later (all are JBODs). Host box (24 HDDs) is Supermicro with single port expander backplane and ...
1
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0answers
32 views

Changing content storage path for Azure pack websites

I'm wondering if it's possible to change the content storage location within Windows Azure pack websites. I want to change my existing cloud's storage from a standalone Windows file server to a Linux ...
1
vote
0answers
17 views

Understanding VMFS storage usage

please help me understand something regarding used and available space on a datastore holding thin provisioned vmdk files. Im having an ESX 4.1 U3 VMFS 3.48 datastore called "storage1". This is ...
1
vote
0answers
140 views

fdisk and parted won't work on a USB stick with Fedora 23 alpha 2 x86_64

So I burned a Fedora 23 alpha 2 on a 16GB USB stick through dd if=path/to/fedora.iso of=/dev/usb_device bs=512 I used bs=512 because the sectors on the stick are 512 bytes. Opening the stick in ...
1
vote
0answers
20 views

dmcache - is removing cache device without suspending safe?

I'm using plain dmcache for SSD cache - unmount procedure goes this way: umount fs suspend cache device remove cache device close lvm close LUKS shutdown However sometimes dmsetup doesn't allow me ...
1
vote
0answers
63 views

HP MSL2024 not auto changing tapes using Ultrabac 9.2.2

I am using Ultrabac 9.2.2 to run backup sets to a one drive HP MSL2024 tape library. It's currently connected via SAS 3Gbs to a HP Proliant DL380G6 running Server 2008 R2. I have the drivers from HP ...
1
vote
0answers
354 views

Amazon RDS Instance slowly losing free diskspace

A while back the server running my instance had 20GB of EBS storage. It then started getting disk storage errors, so I increased it to 40GB. Then again, storage missing errors so I increased again to ...
1
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0answers
115 views

HP Command View: Could not find authenticator for Security Domain

I have some HP EVA storage arrays. They are monitored via Command View - the HP management product. Of 8 management servers, a grand total of one will not let me log in using 'domain' credentials - ...
1
vote
0answers
361 views

Most efficient way to setup massive high-availability storage in Azure to work with multiple VMs?

I'm looking into various options for setting up massive high-availability storage in Windows Azure, to use together with my Azure VMs. The VMs need to be able to work with the storage as if were a ...
1
vote
0answers
100 views

Mapping LUNs to drive slots on a MSA2312i?

I'm working with an older MSA2312i. I really need map the current LUN configuration to associated slots via the SSH so I can make it scriptable. Is there a ready way to do so? I would have thought a ...
1
vote
0answers
859 views

windows2012 failover cluster + storage. Considerations

We plan to build a failover storage with Windows2012r2. There will be 2 or 3 physical machines with 2 virtual machines on each server. One virtual machine building a failover, second one being storage ...
1
vote
0answers
315 views

Storage of large number of files for a web application

There's an old discussion whether and application should store its files in a database or in the filesystem. Both have their pros and cons. I want to know if there's any specific system for ...
1
vote
0answers
665 views

Access iomega StorCenter ix4-200d dump utility from SSH

My employer is in the process of returning a broken HDD to Lenovo/iomega. Unfortunately, before we can send it in, they require us to do a complete dump of the system's current state. Normally, I ...
1
vote
0answers
99 views

3ware 9500S-4LP raid-1 rebuild failed

After replacment of 2 failed drives on 3ware card i got this: Ctl Model (V)Ports Drives Units NotOpt RRate VRate BBU ...
1
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0answers
541 views

ESXi 5.1 local datastore no longer accessable

I'm running ESXi and just recently rebuilt a raid array, and now an existing local datastore is no longer accessable in ESXi. The details: Original Configuration: 1x usb drive (on the backplane) ...
1
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0answers
290 views

Solaris x86 11.1 and qlt driver — only 3/4 ports attach

I'm using the QLogic QLE2564 4-port 8Gb HBA. The problem I have is that when I attach the qlt target mode driver to the card, only 3/4 ports attach the driver. ffffc10006854e58 pciex1077,2532, ...
1
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0answers
148 views

Virtual linux drive on a NAS - recommendations

I have a Linux server currently running under a Microsoft Virtual Machine. I have it set up so that the storage drive is set up as a secondary virtual disk. I need to move this machine to a new box ...
1
vote
0answers
109 views

Windows Storage Server 2008 & Windows 7 sharing acting unpredictably

Configuration: Windows Server 2008 r2 ADUC, Windows Storage Server 2008, Windows 7 Professional x86 & x64 Scenario: We've been using Windows Storage Server on a NAS device for the last year or ...
1
vote
0answers
81 views

Backup Strategy ideas needed for awkward setup

We run a business with our offices in Nottingham in the UK. We keep our business critical data on a set of servers in Manchester UK. Although the two locations are not half a world away from one ...
1
vote
0answers
462 views

Celerra: zoning done to data mover

I have a small confusion-while zoning to data mover, wwn zoning in preferred. Which should be Node 50060160c1e10d7d -please correct me if I am wrong. Because in my environment I see it is zoned to SP ...
1
vote
0answers
127 views

SQL Server Replication Agent priority

Every hour a server replicates SQL server data with some external web server. During this time, which takes about 2-5minutes, the database seriously slows down. Colleagues, which work with the front ...
0
votes
0answers
24 views

What speed should I expect from an MSA60 attached to an HP p212

I have an HP DL380 G5 with a P212 controller and a 256MB cache card/battery. The P212 is hooked up to an MSA60 enclosure, which for testing, I have populated with 8x 500GB 7.2k SATA disks. I know ...
0
votes
0answers
13 views

Is mapping a docker volume to the host “bad” for production?

My main need: to be able to map a volume defined in a Dockerfile to a different physical storage tier (which is already a logical volume in the host). This volume is in /data in the host OS: # df -h ...
0
votes
0answers
13 views

Purpose of '.status' VHDs that are created when booting an Azure VM

I'm using the Portal (portal.azure.com) and choosing the Resource Manager view when booting an Ubuntu VM on Azure. I'm seeing that there are two vhds that are created as part of booting the Instance. ...
0
votes
0answers
12 views

RHEL 5 LVM: “dmsetup info” showing “Tables Present” as None

We have running a huge Live Setup on RHEL 5 and Storage LUNs configured on LVMs. Until recently the server is running fine but we have triggered a reboot over the machine for some maintenance purpose ...
0
votes
0answers
19 views

How can I recover 'missing' storage on a non-system volume?

I have a Windows 2008 R2 server with several RAID-1 volumes. One of the volumes has a large amount, several hundred gigabytes (about 1/3rd of the volume) that is unaccounted for. WinDirStat shows it ...
0
votes
0answers
10 views

remote location mounted with mount.fcifs doesn't show in FTP

I am using Centos 6.6 and I mounted a remote location by this command: mount.cifs -o user=adrian,pass=1234,uid=adrian_site,gid=psacln //server/path /local/path So I specified the user and group, in ...
0
votes
0answers
59 views

Xenserver 6.5 Live Storage Migration

In my xenserver environment I have an LVM over ISCSI storage repository (SR) and I have another SR which is an NFS share setup on a synology server. To be clear, all servers are in one resource pool. ...
0
votes
0answers
106 views

Linux LVM replicated Volumes

I am migrating storage arrays, on two sites.The DR site has synchronous block replication from main site that will be cut during the migration, however once the volumes are migrated the replication ...
0
votes
0answers
66 views

Windows Cluster An error was encountered while determining shared storage

Our SAN manager has added a new disk for our cluster. this is a new 6TB disk that will be used for backup and will be part of a file share. I have put the disk online, initialized it and assigned the ...
0
votes
0answers
80 views

How to disable fibre channel LUNs entirely while doing an OS install?

SL 6.5 (aka RHEL 6.5) using a Qlogic adapter in a Dell R610. The module that is loaded is qla2xxx but also scsi_transport_fc. I have 2 SAS disks in RAID 1 for the OS and several FC LUNs for data ...
0
votes
0answers
157 views

xenserver host lost all storage connections

I have inherited a xenserver setup running 6.0. There is a storage pool set up with two host servers (a bad idea to start with I gather), 8 vms and several SRs. I recently had one of the hosts fail ...
0
votes
0answers
39 views

HyperV-2012R2 Storage Migration cannot migrate entire VM in FCM

I am new to HyperV and currently moving our setup from esix4.1 to 2012R2 HyperV. We were testing out the storage migration and it is pretty cool but I could not figure this out: - If the VM is not in ...
0
votes
0answers
30 views

DPM 2012R2 - Disk to Tape

Is it possible to bypass the Disk to Disk to Tape in Microsoft DPM 2012 R2? To go from live data straight to tape without staging storage? (I'm pretty sure DPM 2010 could)
0
votes
0answers
93 views

BladeCenter S SATA disk compatibility

We have a BladeCenter S with a 6 bay storage array. A SAS Connectivity module (39Y9192) is installed as well as a SAS expansion card (39Y9187) in each blade (HS21). The SAS connectivity module is ...
0
votes
0answers
46 views

VHD to physical disk conversion failed

We have had a happy HyperV running with several VMs until motherboard crashed. On another MB we had to install a new OS, of course HyperV does not see VMs. Tried to use VHD2Disk using a blank ...
0
votes
0answers
74 views

Btrfs data single mode behaviour when on of devices fail

I want store non critical data on more HDDs (one 2 TB and two 500 GB devices) using Btrfs filesystem with distributed metadata but single data. As I have said, data will not be critical, so if one ...