One of the sticky wickets that holds back thin provisioning is the need to communicate when capacity is no longer needed. Enterprise storage arrays can reclaim zeroed pages, but writing all those zeros can really fill up an I/O queue. This is where WRITE_SAME comes into the picture.
Terabyte home
Back From the Pile: Interesting Links, December 24, 2010
Happy end-of-the-year week! I’ll be posting an 11-part series on thin provisioning starting today, but last week was eventful as well. I introduced my enterprise IT events calendar and wrote more about HP’s expiring ink and my HP printer’s demise. It was also time to write about The Four Stages of Vendor Blogging and advising my clients to Always Punch Above Their Weight.
HP Photosmart Ink System Failure – Error: 0xc19a0035
Yesterday I discussed HP’s expiring photosmart ink cartridges and advised pressing “OK” to keep using them anyway. Today we talk about what happens when the ink system really does fail.
What Does HP Printer “Ink Cartridge Expired” Mean?
HP’s inkjet printer ink cartridges are really expensive, so I’m always annoyed when my printer runs out. But my HP Photosmart C6180 started complaining that the cartridges are expired, prompting me to replace them before they’re even empty! I decided to look into the matter, and I’m not happy with the explanation.
Back From the Pile: Interesting Links, December 10, 2010
This week I started getting to know a whole bunch of wireless geeks in preparation for Wireless Field Day in March. I also wrote about Light Peak, my search for an AirPrint-compatible printer, and some more on the iPad. On the enterprise IT side, I covered Application Performance Monitoring (with a special offer from SolarWinds) and Dell’s potential acquisition of Compellent.
