asteroza + san   72

Storage Alignment and VMFS Block Sizes |VMware Communities
Note NTFS will hate you for using anything other than 4K for anything other than a dedicated partition for a database. Many backup systems expect 4K, and boot partition usually must be 4K, and NTFS native (deflate) compression (up to 64GB but really 40GB sized files) only works on 4K.
VMware  ESXi  VMFS  VMDK  SAN  windows  NTFS  filesystem  block  alignment  size  matching  performance  storage  sysadmin  tips  tricks 
october 2018 by asteroza
Application-Driven Data Services for Enterprises & Clouds | Datera
Doing a virtual SAN thing, as a software only platform to merge all your existing storage. Doing block now, probably will shortly do file and object as well. Which means fighting with the likes of VSAN and any other HCI platform...
virtual  SAN  software  platform  block  storage 
july 2018 by asteroza
NVMesh is pretty neat as a SDS with the expectation of all nodes being initiators and targets, but it does put some additional load at the client to effectively implement a software storage controller at the client to determine how to split data to get RAID-esqe protection. Runs on regular TCP/IP now too rather than just fibre channel RDMA RoCE.
NVMeOF  NVMe  fabric  SAN  block  storage  software  NVMesh  distributed  SDS  RDMA  RoCE 
june 2018 by asteroza
OmniOS Community Edition
illumos based server OS with ZFS, DTrace, Crossbow, SMF, KVM and Linux zone support
OmniOS  Illumos  fork  storage  SAN  OS  solaris  ZFS  iSCSI 
february 2018 by asteroza
ssl - Create self signed certificate with subjectAltName to fix [missing_subjectAltName] in Chrome 58 - Super User
So the short version is a v3 certificate, plus SAN of IP.1 = for self signed IP address sites
SSL  certificate  chrome  self-signed  SAN  v3  PKI  OpenSSL 
july 2017 by asteroza
storage area network - Quick format of LUN in Server 2012(R2) hosted on a Thin p...
So temporarily disabling TRIM commands operating on thin provisioned iSCSI LUNs will speed up basic formatting of a block device. Otherwise it will take forever as it inchworms along waiting for delete confirmations while new blocks are allocated on the SAN backend.
iSCSI  TRIM  windows  disk  quick  format  sysadmin  tips  tricks  SAN  storage  Delicious 
august 2016 by asteroza
Marvell Launches New DragonFly Virtual Storage Accelerator [SNW Spring 2011] |
This appears at first glance to be a server local caching card that uses local SSD's, with drivers that hook into the hypervisor's network storage drivers (probably iSCSI, maybe NFS) as a transparent network storage caching layer local to a hypervisor, reducing network IO. Which is an interesting way towards boosting speed, since many VM servers using network storage have idle/empty storage slots onboard.
marvell  Dragonfly  virtual  storage  accelerator  card  PCIe  PCIexpress  x8  network  iSCSI  SAN  hardware  electronics  devices  cache  caching  VMware  linux  KVM  Xen  XenServer  Hyper-V  SAS  SATA  hypervisor  machine  server  VM  acceleration  Delicious 
august 2011 by asteroza
Kaminario K2 DRAM Storage Appliance
Big, and probably filthy expensive. Why the hell can't somebody make a 1U with a huge motherboard to accept regular DDR2 or DDR3 RAM sticks for block storage like a DDRdrive or Hyperdrive5? Commodity always wins in the end. Even Intel is getting out of the SLC NAND flash SSD business since the scale of consumer MLC NAND flash SSD production is vastly improving things.
Kaminario  DRAM  RAM  SSD  SAN  NAS  storage  accelerator  appliance  server  hardware  electronics  devices  Delicious 
march 2011 by asteroza
Gluster | Cloud Computing & Storage
Hrm, this seems to be a viable SAN/NAS platform from within an EC2 private cloud. Still want Nexenta though.
gluster  GlusterFS  opensource  distributed  filesystem  platform  linux  x64  VMware  amazon  EC2  NAS  SAN  storage  cloud  virtual  appliance  VM  Delicious 
march 2011 by asteroza
Scality is changing the face of Cloud Software
Basically a SAN platform using an object oriented filesystem, to get over situations where you have huge numbers of files causing you to bump up against traditional filesystem metadata/inode limits even though you haven't maxed out raw storage. Which sounds suspiciously like a self balancing distributed cluster object oriented database system to me. Hell, NeXT used an actual database as their filesystem way back in the day, to decouple metadata from file storage, and allow blistering file search speeds.
Scality  distributed  SAN  platform  ring  storage  architecture  object  based  filesystem  cloud  computing  scalability  DHT  p2p  automatic  node  rebalance  rebalancing  Delicious 
march 2011 by asteroza
Atmos virtualises non-EMC storage • The Register
Nice SAN/NAS frontend virtual appliance to connect homegnous storage arrays on a SAN into a single global virtualized storage pool.
EMC  Atmos  storage  virtualization  cluster  SAN  AVE  VM  frontend  portal  Delicious 
june 2010 by asteroza
ZFS with Cloud Storage or Faraway Storage - Jignesh Shah's Weblog
Cool idea of using ZFS ZIL/L2ARC on local storage (preferably on fast local storage tiers like SSD's, but if the scale of data is too large you may have to go back to spinning disk) to provide low latency random local writes, while flushing acceptable high latency bulk writes out to a final cloud based iSCSI tier, and using a local read cache to overcome the seek/latency hit of remote iSCSI storage (assuming your cache is filled well).

Pushing the idea farther, Use Amazon EC2 and S3, store main partitions as files in S3 and use EC2 instances to export iSCSI LUN's of those backing files.
ZFS  ZIL  L2ARC  iSCSI  fast  low  latency  local  cache  storage  tier  remote  cloud  OpenSolaris  SSD  mixed  hybrid  SAN  postgresql  performance  sysadmin  tips  tricks  system  architecture  database  Delicious 
april 2010 by asteroza
JackRabbit™ High Performance Storage | Scalable Informatics
Alternative to Sun thumper storage array, apparently can run Nexenta so can get some ZFS love (but wouldn't the RAID6 card go to waste then?) High transfer speed but the storage density of 4U/24 disk is kinda low these days.
alternative  storage  hardware  electronics  devices  server  NAS  SAN  scalable  thumper  array  Informatics  JackRabbit  Delicious 
march 2009 by asteroza

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