Re: [ovirt-users] Good practices
--Apple-Mail=_912FAEC6-5476-4359-94B5-21FE877C0F94
Content-Transfer-Encoding: quoted-printable
Content-Type: text/plain;
charset=utf-8
Le 7 ao=C3=BBt 2017 =C3=A0 17:41, FERNANDO FREDIANI =
<fernando.frediani(a)upx.com> a =C3=A9crit :
=20
Yet another downside of having a RAID (specially RAID 5 or 6) is that
=
it reduces considerably the write speeds as each group of disks will end =
up having the write speed of a single disk as all other disks of that =
group have to wait for each other to write as well.
=20
That's not true if you have medium to high range hardware raid. For =
example, HP Smart Array come with a flash cache of about 1 or 2 Gb that =
hides that from the OS.=
--Apple-Mail=_912FAEC6-5476-4359-94B5-21FE877C0F94
Content-Transfer-Encoding: quoted-printable
Content-Type: text/html;
charset=utf-8
<html><head><meta http-equiv=3D"Content-Type"
content=3D"text/html =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" =
class=3D""><br class=3D""><div><blockquote
type=3D"cite" class=3D""><div =
class=3D"">Le 7 ao=C3=BBt 2017 =C3=A0 17:41, FERNANDO FREDIANI <<a
=
href=3D"mailto:fernando.frediani@upx.com" =
class=3D"">fernando.frediani(a)upx.com</a>&gt; a =C3=A9crit
:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><p =
style=3D"font-family: Helvetica; font-size: 12px; font-style: normal; =
font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
orphans: auto; text-align: start; text-indent: 0px; text-transform: =
none; white-space: normal; widows: auto; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);" =
class=3D""></p></div></blockquote><br
class=3D""><blockquote type=3D"cite"=
class=3D""><div class=3D""><p style=3D"font-family:
Helvetica; =
font-size: 12px; font-style: normal; font-variant-caps: normal; =
font-weight: normal; letter-spacing: normal; orphans: auto; text-align: =
start; text-indent: 0px; text-transform: none; white-space: normal; =
widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
background-color: rgb(255, 255, 255);" class=3D"">Yet another downside
=
of having a RAID (specially RAID 5 or 6) is that it reduces considerably =
the write speeds as each group of disks will end up having the write =
speed of a single disk as all other disks of that group have to wait for =
each other to write as well.<br
class=3D""></p></div></blockquote><br =
class=3D""></div>That's not true if you have medium to high range
=
hardware raid. For example, HP Smart Array come with a flash cache of =
about 1 or 2 Gb that hides that from the OS.</body></html>=
--Apple-Mail=_912FAEC6-5476-4359-94B5-21FE877C0F94--
Attachments:
- attachment.bin (multipart/alternative — 2.7 KB)